Mathematics, 21.10.2020 20:01 tenleywood

Given sin(u) = Negative StartFraction 7 Over 25 EndFraction and cos(v) = Negative four-fifths, what is the exact value of cos(u-v) if both angles are in quadrant III?

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Given sin(u) = Negative StartFraction 7 Over 25 EndFraction and cos(v) = Negative four-fifths, what...

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