tan^2 + cot^2 =________ write the appropriate answer
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Answer:
tan²A + cot²A = (Sec²A -1 ) + (Cosec²A - 1)
= Sec²A -1 + Cosec²A - 1
= Sec²A + Cosec²A - 2
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Answer:Sec²Acosec²A-2
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