$\cot 70^{\circ} + 4 \cos 70^{\circ}$ ની કિંમત શોધો.

  • A
    $\frac{1}{\sqrt{3}}$
  • B
    $\sqrt{3}$
  • C
    $2 \sqrt{3}$
  • D
    $\frac{1}{2}$

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જો $\operatorname{cosec} \theta = \frac{p+q}{p-q}$ હોય,તો $\cot \left(\frac{\pi}{4} + \frac{\theta}{2}\right)$ ની કિંમત શોધો.

જો $\cos \theta - 4 \sin \theta = 1$ હોય,તો $\sin \theta + 4 \cos \theta$ ની કિંમત શોધો.

શ્રેણી $\cos 12^{\circ} + \cos 84^{\circ} + \cos 132^{\circ} + \cos 156^{\circ}$ નું મૂલ્ય શોધો.

$\cos ^2 76^{\circ}+\sin ^2 46^{\circ}+\sin 76^{\circ} \cos 46^{\circ} = $

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