જો $\sec x = \frac{25}{24}$ અને $x$ પ્રથમ ચરણમાં હોય,તો $\sin \frac{x}{2} + \cos \frac{x}{2} =$

  • A
    $\frac{6}{5 \sqrt{2}}$
  • B
    $\frac{8}{5 \sqrt{2}}$
  • C
    $\frac{7}{5 \sqrt{2}}$
  • D
    $\frac{1}{5 \sqrt{2}}$

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જો $\tan \alpha = \frac{-12}{5}$,$\cot \beta = \frac{7}{24}$,$\alpha$ બીજા ચરણમાં નથી અને $\beta$ પ્રથમ ચરણમાં નથી,તો $\sqrt{13} \sin \frac{\alpha}{2} + \cos \frac{\beta}{2} + \tan \frac{\alpha}{2} \cot \frac{\beta}{2} = $

$\cos \frac{\pi}{2^2} \cdot \cos \frac{\pi}{2^3} \cdot \dots \cdot \cos \frac{\pi}{2^{10}} \cdot \sin \frac{\pi}{2^{10}}$ ની કિંમત શોધો.

કેટલાક $a, b, c \in R$ માટે,જો $\sin 5 \theta = a \cos^4 \theta \sin \theta + b \cos^2 \theta \sin^3 \theta + c \sin^5 \theta$ હોય,તો $abc =$

$\tan \left( \frac{\pi }{4} + \theta \right) - \tan \left( \frac{\pi }{4} - \theta \right) = $

જો $\sin \alpha = \frac{336}{625}$ અને $450^\circ < \alpha < 540^\circ$ હોય,તો $\sin \left( \frac{\alpha}{4} \right) = $

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