definite-integral

Question: If $I=\int_{0}^{\pi /4}{\,{{\sin }^{2}}x\,dx}$and$J=\int_{0}^{\pi /4}{{{\cos }^{2}}x\,dx,}$ then $I=$



1) $\frac{\pi }{4}-J$
2) $2J$
3) $J$
4) $\frac{J}{2}$
Solution: Explanation: No Explanation
Properties of definite integration

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