1.

cos-1\(\frac{1}{2}\) + 2sin-1\(\frac{1}{2}\) =(A) \(\frac{2\pi}{3}\)(B) \(\frac{3\pi}{4}\)(C) \(\frac{5\pi}{4}\)(D) π

Answer»

Correct option is: (A) \(\frac{2\pi}{3}\)



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