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if tan theta=(1-cos phi)/sin phi then tan 3 theta is equal to?a)tan2 phib)tan (3/2) phic)tan phid)-tan2 phi |
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Answer» if tan theta=(1-cos phi)/sin phi then tan 3 theta is equal to? a)tan2 phi b)tan (3/2) phi c)tan phi d)-tan2 phi |
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