ધારો કે $n$ એક ધન પૂર્ણાંક છે જેથી $\sin \frac{\pi }{2^n} + \cos \frac{\pi }{2^n} = \frac{\sqrt{n}}{2}$ થાય. તો

  • A
    $6 \le n \le 8$
  • B
    $4 < n \le 8$
  • C
    $4 \le n < 8$
  • D
    $4 < n < 8$

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$\sin ^4 \frac{\pi}{8}+\sin ^4 \frac{2 \pi}{8}+\sin ^4 \frac{3 \pi}{8}+\sin ^4 \frac{4 \pi}{8}+\sin ^4 \frac{5 \pi}{8}+\sin ^4 \frac{6 \pi}{8}+\sin ^4 \frac{7 \pi}{8} = ?$

જો $A$ ત્રીજા ચરણમાં હોય અને $\tan A = \frac{\sqrt{7}}{3}$ હોય,તો $18 - 16 \sin^2 \frac{A}{2} - 32 \sin \frac{A}{2} \sin \frac{5A}{2} = $

જો $\sin \theta + \operatorname{cosec} \theta = 2$ હોય,તો $\sin^{10} \theta + \operatorname{cosec}^{10} \theta$ નું મૂલ્ય કેટલું થાય?

જો $x = \log \left[ \cot \left( \frac{\pi}{4} + \theta \right) \right]$ હોય,તો $\sinh x$ ની કિંમત શું થાય?

જો $\cosh \beta = \sec \alpha \cos \theta$ અને $\sinh \beta = \operatorname{cosec} \alpha \sin \theta$ હોય,તો $\sinh^2 \beta =$

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