જો $y = \log_e \tan \left(\frac{\pi}{4} + \frac{x}{2}\right)$ હોય,તો $\tanh \left(\frac{y}{2}\right) = $

  • A
    $\cot \frac{x}{2}$
  • B
    $\tan x$
  • C
    $\coth x$
  • D
    $\tan \frac{x}{2}$

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$\sin ^4 \frac{\pi}{8} + \cos ^4 \frac{3 \pi}{8} - \sin ^4 \frac{3 \pi}{8} + \sin ^4 \frac{5 \pi}{8} + \cos ^4 \frac{7 \pi}{8} - \sin ^4 \frac{7 \pi}{8} = ?$

$\frac{1+\tanh x}{1-\tanh x}$ નું મૂલ્ય શું છે?

જો $\tan \theta = 2$ અને $\theta$ ત્રીજા ચરણમાં હોય,તો $\sec \theta$ ની કિંમત શોધો.

પદાવલિ $\tan(x - 9\pi)$ ની કિંમત કોના બરાબર છે:

$\operatorname{cosec} 15^{\circ} + \sec 15^{\circ}$ ની કિંમત શોધો:

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