definite-integral

Question: The value of $\int_{0}^{\pi /2}{\frac{\sin x}{1+{{\cos }^{2}}x}\,dx}$ is



1) $\pi /2$
2) $\pi /4$
3) $\pi /3$
4) $\pi /6$
Solution: Explanation: No Explanation
Fundamental definite integration Definite integration by substitution

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