Cosec a + cot a / cosec a - cot a =(cosec a + cot a)2
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Step-by-step explanation:
cosecA+cotA/cosecA-cotA
=(cosecA+cotA)(cosecA+cotA)/(cosecA-cotA)(cosecA+cotA)
=(cosecA+cotA)²/cosec²A-cot²A
=(cosecA+cotA)²
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