{"id":927,"date":"2026-07-06T12:04:01","date_gmt":"2026-07-06T11:04:01","guid":{"rendered":"https:\/\/hls.howsoned.com\/?post_type=course&#038;p=927"},"modified":"2026-07-06T12:04:02","modified_gmt":"2026-07-06T11:04:02","slug":"trigonometry-revision","status":"publish","type":"course","link":"https:\/\/hls.howsoned.com\/?course=trigonometry-revision","title":{"rendered":"Trigonometry Revision"},"content":{"rendered":"\n<p class=\"sensei-content-description wp-block-paragraph\">This course will help you understand the main concepts involved in the Trigonometry sections of the senior secondary core maths exams. It will explain what trigonometry is, the sine and cosine rule, questions on angles of elevation and depression and working out bearings.\n\nTopics covered include:\n\nIntroduction to trigonometry.\nIntroduction to the <\/p>\n\n\n<div class=\"sensei-block-wrapper sensei-cta wp-block-sensei-lms-button-take-course\">\n\t\t\t<form method=\"GET\" action=\"https:\/\/hls.howsoned.com\/\">\n\t\t\t<input type=\"hidden\" name=\"redirect_to\" value=\"https:\/\/hls.howsoned.com\/?course=trigonometry-revision&#038;take_course_sign_in=1\" \/>\n\t\t\t\n<div class=\"wp-block-sensei-lms-button-take-course is-style-default wp-block-sensei-button wp-block-button has-text-align-left\"><button class=\"wp-block-button__link\">Take Course<\/button><\/div>\n\n\t\t\t<\/form>\n\t\t\t<\/div>\n\n\n\n\n\t\t\t<section class=\"wp-block-sensei-lms-course-outline sensei-block-wrapper  is-style-default\" style=\"\">\n\t\t\t\t\n\t\t\t<section class=\"wp-block-sensei-lms-course-outline-module sensei-collapsible  is-style-default wp-block-sensei-lms-course-outline-module-bordered\" style=\"\">\n\t\t\t\t<header class=\"wp-block-sensei-lms-course-outline-module__header\" style=\"\">\n\t\t\t\t\t<h2 class=\"wp-block-sensei-lms-course-outline-module__title\">Introduction<\/h2>\n\t\t\t\t\t<button type=\"button\" class=\"wp-block-sensei-lms-course-outline__arrow sensei-collapsible__toggle\" aria-expanded=\"true\">\n\t\t\t\t\t\t<svg class=\"\"><use href=\"https:\/\/hls.howsoned.com\/wp-content\/plugins\/sensei-lms\/assets\/dist\/icons\/sensei-sprite.svg?v=4.26.1#sensei-sprite-chevron-up\"><\/use><\/svg>\n\t\t\t\t\t\t<span class=\"screen-reader-text\">Introduction<\/span>\n\t\t\t\t\t<\/button><\/header>\n\t\t\t\t\t\n\t\t\t\t<div class=\"wp-block-sensei-lms-collapsible sensei-collapsible__content\">\n\t\t\t\t\t\n\t\t\t\t\t<h3 class=\"wp-block-sensei-lms-course-outline-module__lessons-title\">\n\t\t\t\t\t\tLessons\n\t\t\t\t\t<\/h3>\n\t\t\t<a href=\"https:\/\/hls.howsoned.com\/?lesson=trigonometry-introduction\" class=\"wp-block-sensei-lms-course-outline-lesson\" style=\"\">\n\t\t\t\t<svg class=\"wp-block-sensei-lms-course-outline-lesson__status\"><\/svg>\n\t\t\t\t<span>\n\t\t\t\t\tTrigonometry introduction\n\t\t\t\t\t\n\t\t\t\t<\/span>\n\t\t\t\t\n\t\t\t\t<svg class=\"wp-block-sensei-lms-course-outline-lesson__chevron\"><use href=\"https:\/\/hls.howsoned.com\/wp-content\/plugins\/sensei-lms\/assets\/dist\/icons\/sensei-sprite.svg?v=4.26.1#sensei-sprite-chevron-right\"><\/use><\/svg>\n\t\t\t<\/a>\n\t\t\n\t\t\t<a href=\"https:\/\/hls.howsoned.com\/?lesson=trigonometry-overview\" class=\"wp-block-sensei-lms-course-outline-lesson\" style=\"\">\n\t\t\t\t<svg class=\"wp-block-sensei-lms-course-outline-lesson__status\"><\/svg>\n\t\t\t\t<span>\n\t\t\t\t\tTrigonometry overview\n\t\t\t\t\t\n\t\t\t\t<\/span>\n\t\t\t\t\n\t\t\t\t<svg class=\"wp-block-sensei-lms-course-outline-lesson__chevron\"><use href=\"https:\/\/hls.howsoned.com\/wp-content\/plugins\/sensei-lms\/assets\/dist\/icons\/sensei-sprite.svg?v=4.26.1#sensei-sprite-chevron-right\"><\/use><\/svg>\n\t\t\t<\/a>\n\t\t\n\t\t\t<a href=\"https:\/\/hls.howsoned.com\/?lesson=soh-cah-toa-worked-example\" class=\"wp-block-sensei-lms-course-outline-lesson\" style=\"\">\n\t\t\t\t<svg class=\"wp-block-sensei-lms-course-outline-lesson__status\"><\/svg>\n\t\t\t\t<span>\n\t\t\t\t\tSoh Cah Toa Worked Example\n\t\t\t\t\t\n\t\t\t\t<\/span>\n\t\t\t\t\n\t\t\t\t<svg class=\"wp-block-sensei-lms-course-outline-lesson__chevron\"><use href=\"https:\/\/hls.howsoned.com\/wp-content\/plugins\/sensei-lms\/assets\/dist\/icons\/sensei-sprite.svg?v=4.26.1#sensei-sprite-chevron-right\"><\/use><\/svg>\n\t\t\t<\/a>\n\t\t\n\t\t\t\t<\/div>\n\t\t\t<\/section>\n\t\t\n\t\t\t<section class=\"wp-block-sensei-lms-course-outline-module sensei-collapsible  is-style-default wp-block-sensei-lms-course-outline-module-bordered\" style=\"\">\n\t\t\t\t<header class=\"wp-block-sensei-lms-course-outline-module__header\" style=\"\">\n\t\t\t\t\t<h2 class=\"wp-block-sensei-lms-course-outline-module__title\">The Sine Cosine Rule<\/h2>\n\t\t\t\t\t<button type=\"button\" class=\"wp-block-sensei-lms-course-outline__arrow sensei-collapsible__toggle\" aria-expanded=\"true\">\n\t\t\t\t\t\t<svg class=\"\"><use href=\"https:\/\/hls.howsoned.com\/wp-content\/plugins\/sensei-lms\/assets\/dist\/icons\/sensei-sprite.svg?v=4.26.1#sensei-sprite-chevron-up\"><\/use><\/svg>\n\t\t\t\t\t\t<span class=\"screen-reader-text\">The Sine Cosine Rule<\/span>\n\t\t\t\t\t<\/button><\/header>\n\t\t\t\t\t\n\t\t\t\t<div class=\"wp-block-sensei-lms-collapsible sensei-collapsible__content\">\n\t\t\t\t\t\n\t\t\t\t\t<h3 class=\"wp-block-sensei-lms-course-outline-module__lessons-title\">\n\t\t\t\t\t\tLessons\n\t\t\t\t\t<\/h3>\n\t\t\t<a href=\"https:\/\/hls.howsoned.com\/?lesson=overview-of-the-sine-and-cosine-rule\" class=\"wp-block-sensei-lms-course-outline-lesson\" style=\"\">\n\t\t\t\t<svg class=\"wp-block-sensei-lms-course-outline-lesson__status\"><\/svg>\n\t\t\t\t<span>\n\t\t\t\t\tOverview of the sine and cosine rule\n\t\t\t\t\t\n\t\t\t\t<\/span>\n\t\t\t\t\n\t\t\t\t<svg class=\"wp-block-sensei-lms-course-outline-lesson__chevron\"><use href=\"https:\/\/hls.howsoned.com\/wp-content\/plugins\/sensei-lms\/assets\/dist\/icons\/sensei-sprite.svg?v=4.26.1#sensei-sprite-chevron-right\"><\/use><\/svg>\n\t\t\t<\/a>\n\t\t\n\t\t\t<a href=\"https:\/\/hls.howsoned.com\/?lesson=when-to-apply-the-sine-and-cosine-rule\" class=\"wp-block-sensei-lms-course-outline-lesson\" style=\"\">\n\t\t\t\t<svg class=\"wp-block-sensei-lms-course-outline-lesson__status\"><\/svg>\n\t\t\t\t<span>\n\t\t\t\t\tWhen to apply the sine and cosine rule\n\t\t\t\t\t\n\t\t\t\t<\/span>\n\t\t\t\t\n\t\t\t\t<svg class=\"wp-block-sensei-lms-course-outline-lesson__chevron\"><use href=\"https:\/\/hls.howsoned.com\/wp-content\/plugins\/sensei-lms\/assets\/dist\/icons\/sensei-sprite.svg?v=4.26.1#sensei-sprite-chevron-right\"><\/use><\/svg>\n\t\t\t<\/a>\n\t\t\n\t\t\t<a href=\"https:\/\/hls.howsoned.com\/?lesson=sine-cosine-worked-example\" class=\"wp-block-sensei-lms-course-outline-lesson\" style=\"\">\n\t\t\t\t<svg class=\"wp-block-sensei-lms-course-outline-lesson__status\"><\/svg>\n\t\t\t\t<span>\n\t\t\t\t\tSine- Cosine worked example\n\t\t\t\t\t\n\t\t\t\t<\/span>\n\t\t\t\t\n\t\t\t\t<svg class=\"wp-block-sensei-lms-course-outline-lesson__chevron\"><use href=\"https:\/\/hls.howsoned.com\/wp-content\/plugins\/sensei-lms\/assets\/dist\/icons\/sensei-sprite.svg?v=4.26.1#sensei-sprite-chevron-right\"><\/use><\/svg>\n\t\t\t<\/a>\n\t\t\n\t\t\t<a href=\"https:\/\/hls.howsoned.com\/?lesson=use-a-cosine-graph-to-solve-an-equation\" class=\"wp-block-sensei-lms-course-outline-lesson\" style=\"\">\n\t\t\t\t<svg class=\"wp-block-sensei-lms-course-outline-lesson__status\"><\/svg>\n\t\t\t\t<span>\n\t\t\t\t\tUse a cosine graph to solve an equation\n\t\t\t\t\t\n\t\t\t\t<\/span>\n\t\t\t\t\n\t\t\t\t<svg class=\"wp-block-sensei-lms-course-outline-lesson__chevron\"><use href=\"https:\/\/hls.howsoned.com\/wp-content\/plugins\/sensei-lms\/assets\/dist\/icons\/sensei-sprite.svg?v=4.26.1#sensei-sprite-chevron-right\"><\/use><\/svg>\n\t\t\t<\/a>\n\t\t\n\t\t\t\t<\/div>\n\t\t\t<\/section>\n\t\t\n\t\t\t<section class=\"wp-block-sensei-lms-course-outline-module sensei-collapsible  is-style-default wp-block-sensei-lms-course-outline-module-bordered\" style=\"\">\n\t\t\t\t<header class=\"wp-block-sensei-lms-course-outline-module__header\" style=\"\">\n\t\t\t\t\t<h2 class=\"wp-block-sensei-lms-course-outline-module__title\">Angles of Elevation and Depression<\/h2>\n\t\t\t\t\t<button type=\"button\" class=\"wp-block-sensei-lms-course-outline__arrow sensei-collapsible__toggle\" aria-expanded=\"true\">\n\t\t\t\t\t\t<svg class=\"\"><use href=\"https:\/\/hls.howsoned.com\/wp-content\/plugins\/sensei-lms\/assets\/dist\/icons\/sensei-sprite.svg?v=4.26.1#sensei-sprite-chevron-up\"><\/use><\/svg>\n\t\t\t\t\t\t<span class=\"screen-reader-text\">Angles of Elevation and Depression<\/span>\n\t\t\t\t\t<\/button><\/header>\n\t\t\t\t\t\n\t\t\t\t<div class=\"wp-block-sensei-lms-collapsible sensei-collapsible__content\">\n\t\t\t\t\t\n\t\t\t\t\t<h3 class=\"wp-block-sensei-lms-course-outline-module__lessons-title\">\n\t\t\t\t\t\tLessons\n\t\t\t\t\t<\/h3>\n\t\t\t<a href=\"https:\/\/hls.howsoned.com\/?lesson=what-are-angles-of-elevation-and-depression\" class=\"wp-block-sensei-lms-course-outline-lesson\" style=\"\">\n\t\t\t\t<svg class=\"wp-block-sensei-lms-course-outline-lesson__status\"><\/svg>\n\t\t\t\t<span>\n\t\t\t\t\tWhat are angles of elevation and depression?\n\t\t\t\t\t\n\t\t\t\t<\/span>\n\t\t\t\t\n\t\t\t\t<svg class=\"wp-block-sensei-lms-course-outline-lesson__chevron\"><use href=\"https:\/\/hls.howsoned.com\/wp-content\/plugins\/sensei-lms\/assets\/dist\/icons\/sensei-sprite.svg?v=4.26.1#sensei-sprite-chevron-right\"><\/use><\/svg>\n\t\t\t<\/a>\n\t\t\n\t\t\t<a href=\"https:\/\/hls.howsoned.com\/?lesson=angles-of-elevation-worked-example\" class=\"wp-block-sensei-lms-course-outline-lesson\" style=\"\">\n\t\t\t\t<svg class=\"wp-block-sensei-lms-course-outline-lesson__status\"><\/svg>\n\t\t\t\t<span>\n\t\t\t\t\tAngles of elevation worked example\n\t\t\t\t\t\n\t\t\t\t<\/span>\n\t\t\t\t\n\t\t\t\t<svg class=\"wp-block-sensei-lms-course-outline-lesson__chevron\"><use href=\"https:\/\/hls.howsoned.com\/wp-content\/plugins\/sensei-lms\/assets\/dist\/icons\/sensei-sprite.svg?v=4.26.1#sensei-sprite-chevron-right\"><\/use><\/svg>\n\t\t\t<\/a>\n\t\t\n\t\t\t<a href=\"https:\/\/hls.howsoned.com\/?lesson=angles-of-depression-worked-example\" class=\"wp-block-sensei-lms-course-outline-lesson\" style=\"\">\n\t\t\t\t<svg class=\"wp-block-sensei-lms-course-outline-lesson__status\"><\/svg>\n\t\t\t\t<span>\n\t\t\t\t\tAngles of depression worked example\n\t\t\t\t\t\n\t\t\t\t<\/span>\n\t\t\t\t\n\t\t\t\t<svg class=\"wp-block-sensei-lms-course-outline-lesson__chevron\"><use href=\"https:\/\/hls.howsoned.com\/wp-content\/plugins\/sensei-lms\/assets\/dist\/icons\/sensei-sprite.svg?v=4.26.1#sensei-sprite-chevron-right\"><\/use><\/svg>\n\t\t\t<\/a>\n\t\t\n\t\t\t<a href=\"https:\/\/hls.howsoned.com\/?lesson=a-flag-pole-example\" class=\"wp-block-sensei-lms-course-outline-lesson\" style=\"\">\n\t\t\t\t<svg class=\"wp-block-sensei-lms-course-outline-lesson__status\"><\/svg>\n\t\t\t\t<span>\n\t\t\t\t\tA flag pole example\n\t\t\t\t\t\n\t\t\t\t<\/span>\n\t\t\t\t\n\t\t\t\t<svg class=\"wp-block-sensei-lms-course-outline-lesson__chevron\"><use href=\"https:\/\/hls.howsoned.com\/wp-content\/plugins\/sensei-lms\/assets\/dist\/icons\/sensei-sprite.svg?v=4.26.1#sensei-sprite-chevron-right\"><\/use><\/svg>\n\t\t\t<\/a>\n\t\t\n\t\t\t\t<\/div>\n\t\t\t<\/section>\n\t\t\n\t\t\t<section class=\"wp-block-sensei-lms-course-outline-module sensei-collapsible  is-style-default wp-block-sensei-lms-course-outline-module-bordered\" style=\"\">\n\t\t\t\t<header class=\"wp-block-sensei-lms-course-outline-module__header\" style=\"\">\n\t\t\t\t\t<h2 class=\"wp-block-sensei-lms-course-outline-module__title\">Bearings<\/h2>\n\t\t\t\t\t<button type=\"button\" class=\"wp-block-sensei-lms-course-outline__arrow sensei-collapsible__toggle\" aria-expanded=\"true\">\n\t\t\t\t\t\t<svg class=\"\"><use href=\"https:\/\/hls.howsoned.com\/wp-content\/plugins\/sensei-lms\/assets\/dist\/icons\/sensei-sprite.svg?v=4.26.1#sensei-sprite-chevron-up\"><\/use><\/svg>\n\t\t\t\t\t\t<span class=\"screen-reader-text\">Bearings<\/span>\n\t\t\t\t\t<\/button><\/header>\n\t\t\t\t\t\n\t\t\t\t<div class=\"wp-block-sensei-lms-collapsible sensei-collapsible__content\">\n\t\t\t\t\t\n\t\t\t\t\t<h3 class=\"wp-block-sensei-lms-course-outline-module__lessons-title\">\n\t\t\t\t\t\tLessons\n\t\t\t\t\t<\/h3>\n\t\t\t<a href=\"https:\/\/hls.howsoned.com\/?lesson=bearing-overview\" class=\"wp-block-sensei-lms-course-outline-lesson\" style=\"\">\n\t\t\t\t<svg class=\"wp-block-sensei-lms-course-outline-lesson__status\"><\/svg>\n\t\t\t\t<span>\n\t\t\t\t\tBearing Overview\n\t\t\t\t\t\n\t\t\t\t<\/span>\n\t\t\t\t\n\t\t\t\t<svg class=\"wp-block-sensei-lms-course-outline-lesson__chevron\"><use href=\"https:\/\/hls.howsoned.com\/wp-content\/plugins\/sensei-lms\/assets\/dist\/icons\/sensei-sprite.svg?v=4.26.1#sensei-sprite-chevron-right\"><\/use><\/svg>\n\t\t\t<\/a>\n\t\t\n\t\t\t<a href=\"https:\/\/hls.howsoned.com\/?lesson=bearing-worked-example-1\" class=\"wp-block-sensei-lms-course-outline-lesson\" style=\"\">\n\t\t\t\t<svg class=\"wp-block-sensei-lms-course-outline-lesson__status\"><\/svg>\n\t\t\t\t<span>\n\t\t\t\t\tBearing Worked Example 1\n\t\t\t\t\t\n\t\t\t\t<\/span>\n\t\t\t\t\n\t\t\t\t<svg class=\"wp-block-sensei-lms-course-outline-lesson__chevron\"><use href=\"https:\/\/hls.howsoned.com\/wp-content\/plugins\/sensei-lms\/assets\/dist\/icons\/sensei-sprite.svg?v=4.26.1#sensei-sprite-chevron-right\"><\/use><\/svg>\n\t\t\t<\/a>\n\t\t\n\t\t\t<a href=\"https:\/\/hls.howsoned.com\/?lesson=bearing-worked-example-2\" class=\"wp-block-sensei-lms-course-outline-lesson\" style=\"\">\n\t\t\t\t<svg class=\"wp-block-sensei-lms-course-outline-lesson__status\"><\/svg>\n\t\t\t\t<span>\n\t\t\t\t\tBearing Worked Example 2\n\t\t\t\t\t\n\t\t\t\t<\/span>\n\t\t\t\t\n\t\t\t\t<svg class=\"wp-block-sensei-lms-course-outline-lesson__chevron\"><use href=\"https:\/\/hls.howsoned.com\/wp-content\/plugins\/sensei-lms\/assets\/dist\/icons\/sensei-sprite.svg?v=4.26.1#sensei-sprite-chevron-right\"><\/use><\/svg>\n\t\t\t<\/a>\n\t\t\n\t\t\t\t<\/div>\n\t\t\t<\/section>\n\t\t\n\t\t\t<\/section>\n\t\t\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>This course will help you understand the main concepts involved in the Trigonometry sections of the senior secondary core maths exams. It will explain what trigonometry is, the sine and cosine rule, questions on angles of elevation and depression and working out bearings.<\/p>\n<p>Topics covered include:<\/p>\n<p>Introduction to trigonometry.<br \/>\nIntroduction to the<\/p>\n","protected":false},"author":1,"featured_media":0,"template":"","meta":{"_course_prerequisite":0,"_course_featured":"","_sensei_self_enrollment_not_allowed":false,"disable_notification":false,"_open_access":false,"sensei_course_publish_lessons":true,"_course_theme":"wordpress-theme","sensei_course_video_autocomplete":false,"sensei_course_video_autopause":false,"sensei_course_video_required":false,"footnotes":""},"course-category":[],"class_list":["post-927","course","type-course","status-publish","hentry","module-angles-of-elevation-and-depression","module-bearings","module-introduction","module-the-sine-cosine-rule","post"],"_links":{"self":[{"href":"https:\/\/hls.howsoned.com\/index.php?rest_route=\/wp\/v2\/courses\/927","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hls.howsoned.com\/index.php?rest_route=\/wp\/v2\/courses"}],"about":[{"href":"https:\/\/hls.howsoned.com\/index.php?rest_route=\/wp\/v2\/types\/course"}],"author":[{"embeddable":true,"href":"https:\/\/hls.howsoned.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"version-history":[{"count":2,"href":"https:\/\/hls.howsoned.com\/index.php?rest_route=\/wp\/v2\/courses\/927\/revisions"}],"predecessor-version":[{"id":930,"href":"https:\/\/hls.howsoned.com\/index.php?rest_route=\/wp\/v2\/courses\/927\/revisions\/930"}],"wp:attachment":[{"href":"https:\/\/hls.howsoned.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=927"}],"wp:term":[{"taxonomy":"course-category","embeddable":true,"href":"https:\/\/hls.howsoned.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcourse-category&post=927"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}