Introduction to Trigonometry

This chapter tells you the basics of trigonometry. It teaches you about trigonometric ratios and trigonometric ratios of some specific angles.

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Created by School Prep . Last updated Fri, 26-Mar-2021 English
Curriculum for this course
34 Lessons 30:36:39 Hours
Introduction to Trigonometric ratios
4 Lessons
  • Introduction to Trigonometry 00:03:18
  • Intro to the trigonometric ratios 00:09:17
  • Trigonometric ratios in right triangles 00:12:11
  • Quiz1 4
  • Solving for a side in right triangles with trigonometry 00:07:04
  • Quiz2 5
  • Finding reciprocal trig ratios 00:04:44
  • Using reciprocal trig ratios 00:06:12
  • Quiz3 3
  • Triangle similarity & the trigonometric ratios 00:08:56
  • Trig challenge problem: verify identities 00:05:07
  • Trig challenge problem: trig values & side ratios 00:09:24
  • Quiz4 3
  • Using complementary angles 00:04:05
  • Using complementary angles 00:04:05
  • Finding trigonometric ratios of complementary angles (worked examples) 00:04:05
  • Trig word problem: complementary angles 00:05:44
  • Quiz5 5
  • Special right triangles intro (part 1) 00:09:31
  • Special right triangles intro (part 2) 00:09:40
  • 30-60-90 triangle example problem 00:06:40
  • Special right triangles proof (part 1) 00:06:59
  • Special right triangles proof (part 2) 00:05:42
  • Quiz6 3
  • Intro to Pythagorean trigonometric identities 00:10:05
  • Using trigonometric identities 00:03:07
  • Converting between trigonometric ratios example: write all ratios in terms of sine 00:05:43
  • Trigonometric identity example proof involving sec, sin, and cos 00:03:57
  • Trigonometric identity example proof involving sin, cos, and tan 00:03:30
  • Trigonometric identity example proof involving all the six ratios 00:07:33
  • Quiz7 5
  • Revision Notes
  • Question Bank
  • Previous Year Board Papers
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