There are 6 fundamental identities that you must learn for you to master trigonometry. Types of angles. Left sin x right 2 cdot left left cot x right 2 1 right sinx2 cotx2 1 cos pi cosp tan x tanx.
Types of angles.
Download free on Amazon. Tan x sin xcos x cot x cos xsin x Reciprocal Identities. Download free on iTunes. Solving word problems in trigonometry.