Trigonometry - Relationships, equations and identities.
Main page.
The basic relationships. | ![]() |
Summary of the basic relationships - for reference and for helping you learn them. | |
Trig relationships - Test Yourself 1. | |
Trig relationships - Test Yourself 1 - Solutions. |
|
Finding a side in a triangle - Test Yourself 1. | |
Finding a side in a triangle - Test Yourself 1 - Solutions. |
|
Finding an angle in a triangle - Test Yourself 1. | |
Finding an angle in a triangle - Test Yourself 1 - Solutions. |
|
Trigonometry identities. | ![]() |
Steps to follow with trigonometric identities. | |
Trig identities - Test Yourself 1. | |
Trig identities - Test Yourself 1 - Solutions. | |
Trig identities - Test Yourself 2. | |
Trig identities - Test Yourself 2 - Solutions. | |
Solving trigonometric equations (angles in degrees). |
|
Steps to follow when solving basic trigonometric equations. | |
Trig equations - Test Yourself 1. | |
Trig equations - Test Yourself 1 - Solutions. | |
Trig equations - Test Yourself 2. | |
Trig equations - Test yourself 2 - Solutions. | |
Further trigonometric identities. | |
Further identities (sums & diffs) - Test Yourself 1. |
|
Further identities (sums & diffs)
- Test Yourself 1 Solutions. |
|
Further identities (double angles and t) - Test Yourself 1. |
|
Further identities (double angles and t) - Test Yourself 1. - Solutions |
|
Further identities (trig products) - Test Yourself 1. |
|
Further identities (trig products) - Test Yourself 1 - solutions. |
|
Auxilliary angles of the form Rcos (x ± α) and Rsin (x ± α). |
|
Auxilliary angles - Test yourself 1. | |
Auxilliary angles - Test yourself 1 - solutions. |