જો $\cos \theta = \frac{x^{2}-y^{2}}{x^{2}+y^{2}}$ હોય,તો $\cot \theta$ ની કિંમત શોધો (જ્યાં $0^{\circ} \leq \theta \leq 90^{\circ}$)

  • A
    $\frac{2xy}{x^{2}-y^{2}}$
  • B
    $\frac{2xy}{x^{2}+y^{2}}$
  • C
    $\frac{x^{2}+y^{2}}{2xy}$
  • D
    $\frac{x^{2}-y^{2}}{2xy}$

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Similar Questions

$\tan 57^{\circ} - \tan 12^{\circ} - \tan 57^{\circ} \tan 12^{\circ}$ નું મૂલ્ય કેટલું થાય?

${e^{{{\log }_{10}}\tan 1^\circ + {{\log }_{10}}\tan 2^\circ + {{\log }_{10}}\tan 3^\circ + ........... + {{\log }_{10}}\tan 89^\circ }}$ ની કિંમત શું છે?

$\frac{\sec 8\theta - 1}{\sec 4\theta - 1}$ ની કિંમત શોધો.

$\sqrt{3} \operatorname{cosec} 20^{\circ} - \sec 20^{\circ}$ ની કિંમત શોધો.

જો $\sin 600^{\circ} \cos 30^{\circ} + \cos 120^{\circ} \sin 150^{\circ} = k$ હોય,તો $k =$

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