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If sin A + sin B = a and cos A + cos B = b , show that sin(A+ B) = 2ab/a^2+b^2

If sin A + sin B = a and cos A + cos B = b , show that sin(A+ B) = 2ab/a^2+b^2

Grade:11

1 Answers

Dhruvit Raithatha
32 Points
7 years ago

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