Math, asked by rohin111bhattacharya, 7 months ago

please solve the problem wrong answer will be reported ​

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Answered by kumares3274
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Answered by mysticd
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 Given \: \alpha + \beta = 90 \degree \: --(1)

 LHS = \red{ cot \beta + cos \beta } \\= \frac{\frac{cos \beta}{sin \beta } + cos \beta \\= \frac{ cos \beta + cos \beta sin \beta }{sin \beta } \\= \frac{ cos\beta ( 1 + sin \beta )}{sin (90 - \alpha) } \\= \green {\frac{ cos\beta ( 1 + sin \beta )}{cos  \alpha}} \\= RHS

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