જો $\sqrt{\frac{1+\cos A}{1-\cos A}}=\frac{x}{y}$ હોય,તો $\tan A$ ની કિંમત કેટલી થાય?

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

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Similar Questions

જો $\sin \theta - \cos \theta = \frac{1}{\sqrt{3}}$ હોય,તો $\sin(2\theta) + \cos(4\theta) + \sin(6\theta) = $

$\cos ^4 \frac{\pi}{8}+\cos ^4 \frac{3 \pi}{8}+\cos ^4 \frac{5 \pi}{8}+\cos ^4 \frac{7 \pi}{8}=$

જો $3 \sin x + 4 \cos x = 5$ હોય,તો $6 \tan \frac{x}{2} - 9 \tan^2 \frac{x}{2}$ ની કિંમત શોધો.

જો $\tan A = \frac{1}{2}$ અને $\tan B = \frac{1}{3}$ હોય,તો $\tan (A + 2B)$ ની કિંમત શોધો.

જો $\left(\frac{\sin 3 \theta}{\sin \theta}\right)^2-\left(\frac{\cos 3 \theta}{\cos \theta}\right)^2=a \cos b \theta$ હોય,તો $a: b=$

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