Mathematics, 12.02.2022 02:50 omar5457

Given that sinA= 3/7, cos⁡B=-2/5, 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 sinA= 3/7, cos⁡B=-2/5, and that both A and B are in quadrant II, find cos(A - B). Simplif...

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