Prove sin(90-A)=cosA.avi

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Solved: 10. Prove that: (sin a.sin (90-a).tan (90-a))/cos (90-a

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sina÷sin(90-a)+ cosa÷cos(90-a) =secacoseca​

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Why sin(90-θ)=cosθ

SOLVED: In the given figure, AABC is a right triangle: What is

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सिद्ध कीजिए `(cos (90^(@)-A)sin (90^(@)-A))/(tan(90

Evaluate: sin(90^(@)-A)sinA-cos(90^(@)-A)cosA, 9