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yaohui's Question
Math
Posted 6 months ago
Given that sin(α-β) = 1/3 and cosαsinβ = 1/6, find the value of cos(2α+2β)
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Answer from Sia
Posted 6 months ago
What is the value of sin(2α+2β)sin(2\alpha + 2\beta) given that sin(αβ)=1/3sin(\alpha - \beta) = 1/3 and cosαsinβ=1/6cos\alpha sin\beta = 1/6?

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