(tan theeta +2) (2 tan theeta +1) = 5 tan theeta + sec square theeta
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2tan2θ+4tanθ+tanθ+2 [∴sec2θ-tan2θ=1] =2sec2θ+5tanθ=RHS. close option ... का मूल्य `(2cos^(2)theta-1)((1. 22672500. 2.6 K. 52.4 K
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