To prove sin2x = 2tanx 1 tan2x Let us start from R H S and prove it equal to L H S RH S = 2tanx 1 tan2x ⇒ 2tanx sec2x, as 1 tan2x = sec2x,i...
Integrate tan^2x sec^2x/1-tan^6x 265185
Integrate 2x sin (x 2 1) with respect to x Solution We know that the derivative of (x 2 1) = 2x Hence, let's substitute (x 2 1) = t, so ...
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