Mathematics, 03.06.2021 18:30 rtryf57rfgth

Find cos(A+B), given sinA=35 and cosB=−12/13 and both A and B are in π2<θ<π

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Find cos(A+B), given sinA=35 and cosB=−12/13 and both A and B are in π2<θ<π...

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