$\frac{1}{\cos 290^{\circ}}+\frac{1}{\sqrt{3} \sin 250^{\circ}} = $

  • A
    $\frac{\sqrt{3}}{4}$
  • B
    $\frac{4}{\sqrt{3}}$
  • C
    $\frac{2}{\sqrt{3}}$
  • D
    $\frac{\sqrt{3}}{2}$

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જો $A$ અને $B$ પૂરક ખૂણાઓ હોય,તો $\sin^{2} \frac{A}{2} + \sin^{2} \frac{B}{2} =$

નીચે આપેલા અંશ માપને અનુરૂપ રેડિયન માપ શોધો: $-47^{\circ} 30^{\prime}$.

નીચેનામાંથી કયું સાચું છે?

નીચે આપેલા અંશ માપને અનુરૂપ રેડિયન માપ શોધો: $520^{\circ}$

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

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