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. \[\alpha \]


Discussion

No Comment Found

Related MCQs