(1+cot^2A)tanA/sec^2=cotA
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1+cot²A=cosec²A
∴(cosec²A×tanA)/sec²A
=(1/sin²A×sinA/cosA)(cos²A)
=cosA/sinA
=cotA
∴(cosec²A×tanA)/sec²A
=(1/sin²A×sinA/cosA)(cos²A)
=cosA/sinA
=cotA
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hope it helps to you..........
.. please mark it as brainlist answer please
.. please mark it as brainlist answer please
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