Math, asked by mukesh123456789, 11 months ago

cosecA+cotA-1/1-cosecA+cotA=1+cosA/sinA

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Answered by preeth3
0

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Answered by sandy1816
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 \frac{cotA + cosecA - 1}{cotA - cosecA + 1}  \\  \\  =  \frac{(cotA + cosecA) - ( {cosec}^{2}A -  {cot}^{2}  A)}{cotA - cosecA + 1}  \\  \\  =  \frac{(cosecA + cotA)(1 - cosecA + cotA) }{cotA - cosecA + 1}

 = cosecA + cotA \\  \\  =  \frac{1 + cosA}{sinA}

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