By bithun jith. Done by bithun jith binoy k.v.pattom You must know and memorize the following. Pythagorean Identities: sin 2 x + cos 2 x = 1 1 + tan 2.
Special Angles and their Trig Functions By Jeannie Taylor Through Funding Provided by a VCCS LearningWare Grant.
Trigonometry functions of general angles reference angles
