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MHF4U - Trig Identities and Equations
Exploring Equivalent Trigonometric Functions
Cofunction Identity (video) (4:01)
Related Acute Angle Identity (video) (9:41)
Compound Angle Formulas
Find Exact Value using Compound Angles Example 1 (video) (6:33)
Find Exact Value using Compound Angles Example 2 (video) (8:19)
Find Exact Value using Compound Angles Example 3 (video) (7:59)
Find Exact Value using Compound Angles Example 4 (video) (6:33)
Create Equivalent Expression using Compound Angles (video) (2:16)
Prove Tough Identity with Compound Angle Formula (video) (14:16)
Tricky Thinking Question with Compound Angle Identities (video) (3:45)
Double Angle Formulas
Find Exact Value using Double Angle Formula Example 1 (video) (3:55)
Find Exact Value using Double Angle Formula Example 2 (video) (5:23)
Find Exact Value using Double Angle Formula Example 3 (video) (5:31)
Find Exact Value using Double Angle Formula Example 4 (video) (11:00)
Find Exact Value using Double Angle Formula Example 5 (video) (3:21)
Find Exact Value using Double Angle Formula Example 6 (video) (4:03)
Find Value(s) of Constant Example 1 (video) (4:33)
Find Value(s) of Constant Example 2 (video) (8:51)
Trigonometric Identities
Trig Identity Review Example 1 (video) (9:53)
Trig Identity Review Example 2 (video) (5:04)
Trig Identity Review Example 3 (video) (7:36)
Trig Identity Review Example 4 (video) (7:54)
Trig Identity Review Example 5 (video) (5:13)
Trig Identity Review Example 6 (video) (11:26)
Trig Identity Review Example 7 (video) (9:41)
Trig Identity Example 1 (using Compound Angle Formula) (video) (3:20)
Trig Identity Example 2 (using Compound Angle Formula) (video) (6:20)
Trig Identity Example 1 (using Double Angle Formula) (video) (3:36)
Trig Identity Example 2 (using Double Angle Formula) (video) (4:18)
Trig Identity Example 3 (using Double Angle Formula) (video) (4:40)
Trig Identity Example 4 (using Double Angle Formula) (video) (3:11)
Student Sent Identity Example 1 (video) (1:36)
Student Sent Identity Example 2 (video) (14:44)
Student Sent Identity Example 3 (video) (5:49)
Student Sent Identity Example 4 (video) (4:18)
Student Sent Identity Example 5 (video) (4:48)
Student Sent Identity Example 6 (video) (5:14)
Student Sent Identity Example 7 (video) (2:31)
Student Sent Identity Example 8 (video) (3:06)
Student Sent Identity Example 9 (video) (2:22)
Student Sent Identity Example 10 (video) (2:54)
Student Sent Identity Example 11 (video) (2:22)
Student Sent Identity Example 12 (video) (13:44)
Student Sent Identity Example 13 (video) (2:41)
Student Sent Identity Example 14 (video) (3:52)
Student Sent Identity Example 15 (video) (4:15)
Student Sent Identity Example 16 (video) (4:51)
Student Sent Identity Example 17 (video) (1:59)
Linear Trigonometric Equations
Linear Trig Equation Example 1 (video) (5:11)
Linear Trig Equation Example 2 (video) (12:29)
Linear Trig Equation Example 3 (video) (7:07)
Linear Trig Equation Example 4 - using Compound Angle Formula (video) (6:49)
Linear Trig Equation Example 5 (written)
Linear Trig Equation Example 6 (written)
Linear Trig Equation Example 7 (written)
Linear Trig Equation Example 8 (written)
Quadratic Trigonometric Equations
Quadratic Trig Equation Example 1 (video) (6:01)
Quadratic Trig Equation Example 2 (video) (8:55)
Quadratic Trig Equation Example 3 (video) (10:28)
Quadratic Trig Equation Example 4 (video) (5:46)
Quadratic Trig Equation Example 5 (video) (9:31)
Quadratic Trig Equation Example 6 (video) (7:09)
Quadratic Trig Equation Example 7 (written)
Quadratic Trig Equation Example 8 (written)
Quadratic Trig Equation Example 9 (written)
Quadratic Trig Equation Example 10 (written)
Test 1
Questions (pdf)
Solutions (pdf)
Knowledge Section Question 1 (video) (15:25)
Knowledge Section Question 2 (video) (8:42)
Application Section Question 1 (video) (5:03)
Application Section Question 2 (video) (3:50)
Application Section Question 3 (video) (8:05)
Application Section Question 4 (video) (7:48)
Communication Section Question 1 (video) (1:51)
Communication Section Question 2 (video) (3:11)
Communication Section Question 3 (video) (2:58)
Thinking Section Question 1 (video) (6:27)
Thinking Section Question 2 (video) (6:55)
Test 2
Questions (pdf)
Solutions (pdf)
Knowledge Section Question 1 (video) (3:55)
Knowledge Section Question 2 (video) (2:12)
Knowledge Section Question 3 (video) (2:55)
Knowledge Section Question 4 (video) (8:46)
Application Section Question 1 (video) (2:21)
Application Section Question 2 (video) (3:56)
Application Section Question 3 (video) (8:15)
Communication Section Question 1 (video) (6:27)
Communication Section Question 2 (video) (2:19)
Communication Section Question 3 (video) (2:04)
Communication Section Question 4 (video) (2:19)
Thinking Section Question 1 (video) (1:55)
Thinking Section Question 2 (video) (5:59)
Linear Trig Equation Example 4 - using Compound Angle Formula (video)
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