Integrate the following functions. ∫ sin x sin (cos x)dx
Evaluate : ∫x3(x−1)(x2+1)dx.
OR
Evaluate ∫sin x−x cos xx(x+sin x) dx.
Evaluate : ∫π0x tanxsec x+tan xdx. OR Evaluate : ∫41 {|x-1|+|x-2|+|x-4|}dx.