1.

√cosecA - 1/√cosecA + 1 + √cosecA+1/√cosecA-1 = 2secA

Answer» *LCM
First take the pcm and that will help you to remove the roots and then put the value of cosec A-1 as cotA then simpify it by taking cot A = CosA/Sin A that at last you will get 2/cosA that is equal to 2secA


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