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Grade 10Trigonometry

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

Profile image of tim
9 Years agoGrade 10
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1 Answer

Profile image of Vijay Mukati
9 Years ago
Dear Student,

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

Thanks.

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