Mathematics, 31.03.2021 22:30 ajaymatthew15

Given that sin A = 3/7, cos B = -⅖, and that both A and B are in quadrant II, find cos(A - B). Simplify it to a single value, leaving it in the form of a rational number.

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Given that sin A = 3/7, cos B = -⅖, and that both A and B are in quadrant II, find cos(A - B). Simpl...

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