Math, asked by sam1344, 4 months ago

urgent pls answer cota/coseca-1+cota/coseca+1=2seca.... prove

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Answered by sandy1816

$\frac{cota}{coseca - 1} + \frac{cota}{coseca + 1} \\ \\ = cota( \frac{coseca + 1 + coseca - 1}{ {cosec}^{2}a - 1 } ) \\ \\ = cota( \frac{2coseca}{ {cot}^{2} a} ) \\ \\ = 2 \frac{coseca}{cota} \\ \\ = 2seca$

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urgent pls answer cota/coseca-1+cota/coseca+1=2seca.... prove ​

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urgent pls answer cota/coseca-1+cota/coseca+1=2seca.... prove