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22 June, 00:29

The expression (cot^2x/1-sin^2x is equivalent to?

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  1. 22 June, 00:51
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    Do you mean: cot²x / (1-sin²x) ?

    If yes, my answer is: 1/sin²x

    Because: cot²x=1/sin²x-1 = (1-sin²x) / sin²x

    So, cot²x / (1-sin²x) = (1-sin²x) / sin²x. (1-sin²x) = 1/sin²x

    (sin²x≠1)
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