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" (i) "2cot^(2)theta=cosec^(2)theta...

" (i) "2cot^(2)theta=cosec^(2)theta

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Find the general value of theta 2 cot ^(2) theta = cosec ^(2) theta

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cosec^(2)theta-cot^(2)theta-1

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cosec^(4)theta+cot^(2)theta+cosec^(2)theta)"=