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22 November, 20:09

TanA = 2xy / (x^2+y^2),

find sinA

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  1. 22 November, 20:32
    0
    Step-by-step explanation:

    TanA = SinA/CosA

    tanA = 2xy / (x² + y²),

    Sin A = CosA * 2xy / (x² + y²)
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