$\sin 120^{\circ} \cos 150^{\circ} - \cos 240^{\circ} \sin 330^{\circ}$ ની કિંમત શોધો :

  • A
    $1$
  • B
    $-1$
  • C
    $\frac{2}{3}$
  • D
    $-\left(\frac{\sqrt{3}+1}{4}\right)$

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$\frac{1}{1+\sin \theta}+\frac{1}{1-\sin \theta} = $

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એક પૈડું એક મિનિટમાં $360$ પરિભ્રમણ કરે છે. તો તે એક સેકન્ડમાં કેટલા રેડિયન જેટલું ફરે છે ($\pi$ માં)?

જો $\cosh x = \frac{\sqrt{14}}{3}$,$\sinh x = \cos \theta$ અને $-\pi < \theta < -\frac{\pi}{2}$ હોય,તો $\sin \theta =$

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