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cho cosx/cosy+sinx/siny=-1 chung minh cos^3y/cosx+sin^3y/sinx=1

cho cosx/cosy+sinx/siny=-1 chung minh cos^3y/cosx+sin^3y/sinx=1

Grade:10

1 Answers

Vijay Mukati
askIITians Faculty 2590 Points
7 years ago
Dear Student,

Please check the question properly and post the correct question again.

Thanks.

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