$\frac{[\sin (y-z)+\sin (y+z)+2 \sin y]}{[\sin (x-z)+\sin (x+z)+2 \sin x]} = ?$ ની કિંમત શું છે?

  • A
    $\cos x \sin y$
  • B
    $\frac{\sin y}{\sin x}$
  • C
    $\sin z$
  • D
    $\sin x \tan y$

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$cot\, x + cot\, (60^\circ + x) + cot\, (120^\circ + x)$ ની કિંમત કોના બરાબર છે?

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$\cos 24^{\circ} + \cos 55^{\circ} + \cos 125^{\circ} + \cos 204^{\circ} + \cos 300^{\circ}$ નું મૂલ્ય શોધો.

જો $\tan (A - B) = x$ હોય,તો $x$ ની કિંમત શું થાય?

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જો $\cos (A - B) = \frac{3}{5}$ અને $\tan A \tan B = 2$ હોય,તો

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