જો $\tan A - \tan B = x$ અને $\cot A - \cot B = y$ હોય,તો $\cot (A - B) =$

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

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Similar Questions

$\left( {1 + \cos \frac{\pi }{8}} \right)\,\left( {1 + \cos \frac{{3\pi }}{8}} \right)\,\left( {1 + \cos \frac{{5\pi }}{8}} \right)\,\left( {1 + \cos \frac{{7\pi }}{8}} \right) = $

$\cos^2 76^{\circ} + \cos^2 16^{\circ} - \cos 76^{\circ} \cos 16^{\circ}$ ની કિંમત શોધો.

કિંમત શોધો: $\sin 6^{\circ} + \sin 54^{\circ} + \sin 126^{\circ} + \cos 156^{\circ}$

જો $\operatorname{sech}^{-1} x = \log 2$ અને $\operatorname{cosech}^{-1} y = -\log 3$ હોય,તો $(x + y) = $

$\cos ^2 76^{\circ}+\sin ^2 46^{\circ}+\sin 76^{\circ} \cos 46^{\circ} = $

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