જો $\tan \left(\frac{x}{2}\right) = \frac{m}{n}$ હોય,તો $m \sin (x) + n \cos (x)$ ની કિંમત કેટલી થાય?

  • A
    $m$
  • B
    $-m$
  • C
    $-n$
  • D
    $n$

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જો $\tan x = \frac{3}{4}$ અને $\pi < x < \frac{3\pi}{2}$ હોય,તો $\sin \frac{x}{2}$,$\cos \frac{x}{2}$ અને $\tan \frac{x}{2}$ ની કિંમત શોધો.

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

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