20 and sin v = 29 21 Assuming that sin u = and that u and v are between 0 and 29 evaluate cos (u- v) exactly. cos (u- v) = 2 (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.)

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Q: #3

A: a) By using the identity we get

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A: That's easy. Have a great day!!!

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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.