defence exam Agniveer Army Technical Mock Test Series 2025 Mathematics Integral Calculus Definite Integrals
Evaluate \(\rm \int_0^{\pi\over2} {\cos x\over1+\sin^2x}\) dx
1
90º
2
45º
3
tan-1 \(\rm \left({1\over\sqrt2}\right)\)
4
\(\rm -\tan^{-1}\left({1\over\sqrt2}\right)\)