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

  • A
    $\frac{3}{\sqrt{10}}$
  • B
    $-\frac{3}{\sqrt{10}}$
  • C
    $-\frac{1}{\sqrt{10}}$
  • D
    $\frac{1}{\sqrt{10}}$

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Similar Questions

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

$\tan 3A - \tan 2A - \tan A = $

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

$\tan \alpha + 2 \tan 2 \alpha + 4 \tan 4 \alpha + 8 \cot 8 \alpha = $

જો $x \in \left(0, \frac{\pi}{2}\right)$ અને $x$ એ સમીકરણ $\sin x \cos x = \frac{1}{4}$ નું સમાધાન કરતું હોય,તો $x$ ની કિંમતો શોધો.

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