1. Find the exact values of sinr. cos z, tanI, CSC T. secI, and cotr given that cos 2r= 37 Simplify completely and do not approximate the values. You do not and < 2r< 21 need to rationalize denominators in this problem. 3I7

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Fundamentals of Trigonometric Identities

Trigonometric Identities are the equalities that involve trigonometry functions and hold for all the values of variables given in the equation.