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11-03-2021
Mathematics

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Find the exact value of cos(alpha - beta) given sin(alpha) = - 4/5 and cos(beta) = - 5/8 in Quadrant iii and B in Quadrant ii

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kirabrown04 kirabrown04

23-03-2021

Answer:

15-4(sqrt39)/40

Step-by-step explanation:

just did it on edge

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