નીચેનામાંથી કયું સાચું નથી?

  • A
    $\cos 5 \pi = \cos 4 \pi$
  • B
    $\sin 2 \pi = \sin (-2 \pi)$
  • C
    $\sin 4 \pi = \sin 6 \pi$
  • D
    $\tan 45^{\circ} = \tan (-315^{\circ})$

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જો $x \sin 45^\circ \cos^2 60^\circ = \frac{\tan^2 60^\circ \csc 30^\circ}{\sec 45^\circ \cot^2 30^\circ}$ હોય,તો $x = $

$\cos 1^\circ + \cos 2^\circ + \cos 3^\circ + \dots + \cos 180^\circ = $

પદાવલિ $[1 - \sin(3\pi - \alpha) + \cos(3\pi + \alpha)] [1 - \sin(\frac{3\pi}{2} - \alpha) + \cos(\frac{5\pi}{2} - \alpha)]$ નું સાદું રૂપ આપતા શું મળે?

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

નીચે આપેલા રેડિયન માપને અનુરૂપ અંશ માપ શોધો ($\pi = \frac{22}{7}$ નો ઉપયોગ કરો):
$\frac{5 \pi}{3}$ ($^{\circ}$ માં)

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