$\tan 7\frac{1}{2}^\circ$ નું મૂલ્ય કેટલું થાય?

  • A
    $\sqrt{6} + \sqrt{3} + \sqrt{2} - 2$
  • B
    $\sqrt{6} - \sqrt{3} + \sqrt{2} - 2$
  • C
    $\sqrt{6} - \sqrt{3} + \sqrt{2} + 2$
  • D
    $\sqrt{6} - \sqrt{3} - \sqrt{2} - 2$

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પદાવલિ $1 - \frac{\sin^2 y}{1 + \cos y} + \frac{1 + \cos y}{\sin y} - \frac{\sin y}{1 - \cos y}$ ની કિંમત કેટલી થાય?

સમીકરણ $\cot x - \cos x = 1 - \cot x \cos x$ નું સમાધાન કરતા $x \in [0, 2\pi]$ ના મૂલ્યોની સંખ્યા શોધો.

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કોઈપણ $\theta \in \left( \frac{\pi}{4}, \frac{\pi}{2} \right)$ માટે,પદાવલિ $3(\sin \theta - \cos \theta)^4 + 6(\sin \theta + \cos \theta)^2 + 4\sin^6 \theta$ ની કિંમત શું થાય?

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