Maharashtra Boardमराठी माध्यमSTD 10Maths - मराठीQuestion Bank2 Marks
Question
$\frac{\cos (90-A)}{\sin A}=\frac{\sin (90-A)}{\cos A}=$हे सिद्ध करा.
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Answer
डावी बाजू =$\frac{\cos (90- A )}{\sin A }$ $=\frac{\sin A}{\sin A}$ = 1 उजवी बाजू =$\frac{\sin (90-A)}{\cos A }$ $=\frac{\cos A}{\cos A}$ = 1 ∴ डावी बाजू = उजवी बाजू
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