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Prove each of the following identi\frac{\csc A+1}{\csc A-1}=\frac{1+\sin A}{1-\sin A} |
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Answer» cosec A= 1/sinA (CosecA+1)/(cosecA - 1) = (1/sinA +1)/(1/sinA - 1) = (1+sinA)/(1-sinA) proved |
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