Dr. J's Maths.com
Where the techniques of Maths
are explained in simple terms.

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.