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Sec4theta - Sec2theta = tan4theta + tan2theta |
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Answer» Hey it is so easy...take lhs...then sec2(sec2-1)= sec2tan2....now take rhs...tan2(tan2+1) = tan2sec2.....hope u understand.... I dont have..... Reger RS ex 8A ....see concept Please tell just main...main steps.... Prove this identity.... |
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