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Mathematics, 16.12.2020 21:30, msladestiny16
Please answer quickly Given: sin(A) = 4/5, pi/2 < A < pi and sin(B) = -2root5/5, pi < B < 3pi/2 What is the value of cos(A β B)?
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Given: sin(A) = 4/5, pi/2 < A < pi and sin(B) = -2root5/5, pi < B &l...
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