Math, asked by preetishmishra909, 11 months ago

(cosecA-cotA)2=1-cosA÷1+cosA​

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Answered by chiragpatil34109
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Answered by sandy1816
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( {cosecA - cotA})^{2}  \\  \\  = ( { \frac{1 - cosA}{sinA} })^{2}  \\  \\  =  \frac{( {1 - cosA})^{2} }{ {sin}^{2} A}  \\  \\  =  \frac{( {1 - cosA})^{2} }{1 -  {cos}^{2}A }  \\  \\  =  \frac{1  - cosA}{1 + cosA}

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