MCQOPTIONS
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| 1. |
\[{{\cos }^{-1}}\frac{1}{2}+2{{\sin }^{-1}}\frac{1}{2}\]is equal to [MP PET 1998; UPSEAT 2004] |
| A. | \[\frac{\pi }{4}\] |
| B. | \[\frac{\pi }{6}\] |
| C. | \[\frac{\pi }{3}\] |
| D. | \[\frac{2\pi }{3}\] |
| Answer» E. | |