Rewriting a Trigonometric Expression In Exercises 95 and 96, use the formulas given in Exercises 89 and 90 to write the trigonometric expression in the form a sin B0 + b cos B0. er 95. 2 sin[0 + (1/4)] 96. 5 cos[0 – (1/4)]

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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.