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" (iv) Yadi "cot B=(12)/(5)," Then prove...

" (iv) Yadi "cot B=(12)/(5)," Then prove that "tan^(2)B-sin^(2)B=sin^(4)B sec^(2)B

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If cot B=(12)/(5), prove that tan^(2)B-sin^(2)B=sin^(4)B sec^(2)B

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