જો $\cos \theta = \frac{-3}{5}$ અને $\pi < \theta < \frac{3\pi}{2}$ હોય,તો $\tan \frac{\theta}{2} + \sin \frac{\theta}{2} + 2 \cos \frac{\theta}{2} =$

  • A
    $-1$
  • B
    $1$
  • C
    $-2$
  • D
    $2$

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જો $\text{cosec} \theta = \frac{p + q}{p - q}$ હોય,તો $\cot \left( \frac{\pi}{4} + \frac{\theta}{2} \right) = $

$\sqrt{2 + \sqrt{2 + 2\cos 4\theta}} = $

સાબિત કરો કે $\frac{\sin 5x - 2\sin 3x + \sin x}{\cos 5x - \cos x} = \tan x$.

જો $\tan x + \tan \left(x + \frac{\pi}{3}\right) + \tan \left(x + \frac{2\pi}{3}\right) = 3$ હોય,તો $\tan 3x$ ની કિંમત કેટલી થાય?

$\frac{\cos A}{1 - \sin A} = $

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