MCQOPTIONS
Saved Bookmarks
| 1. |
The smallest positive angle which satisfies the equation \[2{{\sin }^{2}}\theta +\sqrt{3}\cos \theta +1=0\], is [ISM Dhanbad 1972; MP PET 1993] |
| A. | \[\frac{5\pi }{6}\] |
| B. | \[\frac{2\pi }{3}\] |
| C. | \[\frac{\pi }{3}\] |
| D. | \[\frac{\pi }{6}\] |
| Answer» B. \[\frac{2\pi }{3}\] | |