જો $\sin x = -\frac{3}{5}$,જ્યાં $\pi < x < \frac{3\pi}{2}$ હોય,તો $80(\tan^2 x - \cos x)$ ની કિંમત શોધો:

  • A
    $109$
  • B
    $108$
  • C
    $18$
  • D
    $19$

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

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$\sin 600^\circ \cos 330^\circ + \cos 120^\circ \sin 150^\circ$ ની કિંમત શોધો.

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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