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What is Fundamental Trigonometric Identities about?
This document lists several fundamental trigonometric identities involving trigonometric functions of angles, their sums and differences, and double and half angles. Some key identities included are the definitions of the inverse trig functions as ratios, the Pythagorean identities relating sin, cos and their squares, the angle sum and difference identities for sin and cos, and the double angle identities expressing sin and cos of double angles in terms of single angles.
- Author
- qaisar
- Language
- EN