MCQOPTIONS
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| 1. |
If \[\sin \theta +\sin 2\theta +\sin 3\theta =\sin \alpha \]and \[\cos \theta +\cos 2\theta +\cos 3\theta =\cos \alpha \], then q is equal to [AMU 2001] |
| A. | \[\alpha /2\] |
| B. | \[\alpha \] |
| C. | \[2\alpha \] |
| D. | \[\alpha /6\] |
| Answer» B. \[\alpha \] | |