34. Prove that: secte-sec2 = tant e...
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34. Prove that: secte-sec2 = tant e + tan- o. ICBSE 2015]

11th - 12th Class
Maths
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Prove [ begin{array}{r}sec 40-sec ^{2} theta=pi a n^{4} theta+tan ^{2} theta left(1+tan ^{2} thetaright) sec ^{2} theta-sec ^{2} theta left(1+tan ^{2} thetaright) sec ^{2} theta-left(1+tan ^{2} thetaright) left(1+tan ^{2} thetaright)left[sec ^{2} theta-1right] left(1+tan ^{2} thetaright) tan ^{2} theta tan ^{2} theta+tan ^{4} thetaend{array} ]
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