જો $(1+\sqrt{1+x}) \tan x=1+\sqrt{1-x}$ હોય,તો $\sin 4x$ ની કિંમત શું થાય?

  • A
    $x$
  • B
    $-x$
  • C
    $4x$
  • D
    $-4x$

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Similar Questions

પદાવલિ $\tan 9^{\circ}-\tan 27^{\circ}-\tan 63^{\circ}+\tan 81^{\circ}$ ની કિંમત શોધો.

$2 \sin(\frac{\pi}{8}) \sin(\frac{2\pi}{8}) \sin(\frac{3\pi}{8}) \sin(\frac{5\pi}{8}) \sin(\frac{6\pi}{8}) \sin(\frac{7\pi}{8})$ ની કિંમત શોધો:

જો $\cos x + \cos y = \frac{2}{3}$ અને $\sin x - \sin y = \frac{3}{4}$ હોય,તો $\sin(x - y) + \cos(x - y)$ ની કિંમત શોધો.

જો કાટકોણ ત્રિકોણની બાજુઓ ${\cos2\alpha + \cos2\beta + 2\cos(\alpha + \beta )}$ અને ${\sin2\alpha + \sin2\beta + 2\sin(\alpha + \beta )}$ હોય,તો કર્ણની લંબાઈ શોધો:

$\tan \frac{\pi}{5} + 2 \tan \frac{2 \pi}{5} + 4 \cot \frac{4 \pi}{5} = $

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