this question answer please
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Answer :
LHS = (cosecA+cotA)²
= [1/sinA + cosA/sinA]²
= (1/sin²A)[1+cosA]²
= (1/sin²A)[1+1/secA]²
= (1/sin²A)[(secA+1)/secA]²
= (1/sin²Asec²A)(secA+1)²
= (1/tan²A)(secA+1)²
= (secA+1)²/(sec²A-1)
= (secA+1)²/[(secA+1)(secA-1)]
= (secA+1)/(secA-1)
= RHS
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