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Cosx+cosy=a,sin x+siny=b then prove sin2x+sin2y=2ab(1-2÷(a^+b^)

Cosx+cosy=a,sin x+siny=b then prove sin2x+sin2y=2ab(1-2÷(a^+b^)

Grade:11

1 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
one year ago
Dear student

In the equation rhs is not complete kindly provide the complete question

Regards

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