જો $\frac{1 - \cos x}{\cos x(1 + \cos x)} = \frac{\sin \alpha}{\cos x} - \frac{2}{1 + \cos x}$ હોય,તો $\alpha = $

  • A
    $\frac{\pi}{8}$
  • B
    $\frac{\pi}{4}$
  • C
    $\frac{\pi}{2}$
  • D
    $\pi$

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Similar Questions

ગણ $S = \{\theta \in [-4\pi, 4\pi] : 3 \cos^2 2\theta + 6 \cos 2\theta - 10 \cos^2 \theta + 5 = 0\}$ માં ઘટકોની સંખ્યા કેટલી છે?

જો $\tan {3^o} + 2\tan {6^o} + 4\tan {12^o} + 8\cot {24^o} = \cot {\theta ^o}$ હોય,તો:

$\sin\,10^o \sin\,30^o \sin\,50^o \sin\,70^o$ ની કિંમત શોધો.

ધારો કે $S = \left\{ \theta \in \left( 0, \frac{\pi}{2} \right) : \sum_{m=1}^{9} \sec \left( \theta + (m-1) \frac{\pi}{6} \right) \sec \left( \theta + \frac{m \pi}{6} \right) = -\frac{8}{\sqrt{3}} \right\}$. તો:

જો $\cos \theta - 4 \sin \theta = 1$ હોય,તો $\sin \theta + 4 \cos \theta$ ની કિંમત શોધો.

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