Mathematics, 23.05.2020 08:57, peacelillady1030

Assume that 0 < x < pi/2 0 < y < pi/2 Find the exact value of cos(x - y) * if * cos x = 3/5 and cos y = 4/5

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Assume that 0 < x < pi/2 0 < y < pi/2 Find the exact value of cos(x - y) * if * cos x =...