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Find the exact value of cos(u + v) given that sin u =4/5 with u in quadrant II, and sin v=12/13 with v in the

Find the exact value of cos(u + v) given that sin u =4/5 with u in quadrant II, and sin v=12/13 with v in the quadrant II.(Simplify your answer. Type an integer or a simplified fraction.)cos (u + v) =

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