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What is Trigonometric Equations and Identities about?

This document provides information about trigonometric identities, angles, and solving trigonometric equations. It includes: 1) Definitions of trigonometric functions for negative angles and trigonometric identities. 2) Seven problems involving finding angle values from trigonometric equalities, solving trigonometric equations for angles, and evaluating trigonometric functions without a calculator. 3) Information on compound angle formulas, double and half angle formulas, and proving trigonometric iden

Author

lee_yi_5

Language

EN