$2\sin A{\cos ^3}A - 2{\sin ^3}A\cos A = $
$2\sin A{\cos ^3}A - 2{\sin ^3}A\cos A = $
- A
$\sin 4A$
- B
$\frac{1}{2}\sin 4A$
- C
$\frac{1}{4}\sin 4A$
- D
એકપણ નહિ.
Similar Questions
સમીકરણ $\frac{{\cos 6x + 6\cos 4x + 15\cos 2x + 10}}{{\cos 5x + 5\cos 3x + 10\cos x}}$ ની કિમત મેળવો.
સમીકરણ $\frac{{\cos 6x + 6\cos 4x + 15\cos 2x + 10}}{{\cos 5x + 5\cos 3x + 10\cos x}}$ ની કિમત મેળવો.
$\cos \frac{\pi }{7}\cos \frac{{2\pi }}{7}\cos \frac{{4\pi }}{7} = $
$\cos \frac{\pi }{7}\cos \frac{{2\pi }}{7}\cos \frac{{4\pi }}{7} = $
$1 + \cos \,{56^o} + \cos \,{58^o} - \cos {66^o} = $
$1 + \cos \,{56^o} + \cos \,{58^o} - \cos {66^o} = $
- [IIT 1964]
$\frac{1}{{\tan 3A - \tan A}} - \frac{1}{{\cot 3A - \cot A}} = $
$\frac{1}{{\tan 3A - \tan A}} - \frac{1}{{\cot 3A - \cot A}} = $
$tan^{-1} (\frac{sin2 -1}{cos2})$ =
$tan^{-1} (\frac{sin2 -1}{cos2})$ =