\sin^{2} \frac{\pi}{4}+\sin^{2} \frac{3\pi}{4}+\sin^{2} \frac{5\pi}{4}+\sin^{2} \frac{7\pi}{4}=

AP ICET 2018 Forenoon Question Paper

Question : 120 of 200

Marks: +1, -0

\sin^{2}\;\;{π}/{4}+\sin^{2}\;\;{3π}/{4}+\sin^{2}\;\;{5π}/{4}+\sin^{2}\;\;{7π}/{4}=

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