Thanu Dharshani posted an Question
August 29, 2021 • 14:12 pm 30 points
  • IIT JAM
  • Mathematics (MA)

Evaluate x dx 1+ cos x solution: 1+cos'x 7-1)de 1+cos(t-x)1+cos x scanned with camsca scanned with integral calculus addition both, we get d 1+cos (t-x)] scc x

in this question cos^2 (π-x) =cos^2 (x) is applied. but cos (π-x) is -cosx.. how??

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