Question: Solve cos(A + B) Suppose 60 11 sin A = COS A = 61 61 12 35 sin B cos B = 37 37 1968

Solve cos(A + B)

Solve cos(A + B) Suppose 60 11 sin A = COS A

Suppose 60 11 sin A = COS A = 61 61 12 35 sin B cos B = 37 37 1968 sin(A + B) - 2257 COS ( A + B

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