$\tan \,{20^o}\cot \,{10^o}\cot \,{50^o}$ is equal to

  • A

    $\frac{1}{{\sqrt 3 }}$

  • B

    $\sqrt 3 $

  • C

    $\frac{{\sqrt 3 }}{4}$

  • D

    $4\sqrt 3 $

Similar Questions

If $\alpha ,\,\beta ,\,\gamma $ and $\delta $ are the solutions of the equation $\tan \left( {\theta  + \frac{\pi }{4}} \right) = 3\,\tan \,3\theta $ , no two of which have equal tangents, then the value of $tan\, \alpha  + tan\, \beta + tan\, \gamma + tan\, \delta $ is

If $\cos 7\theta = \cos \theta - \sin 4\theta $, then the general value of $\theta $ is

The number of values of $x$ in the interval $[0, 5 \pi  ] $ satisfying the equation $3{\sin ^2}x - 7\sin x + 2 = 0$ is

  • [IIT 1998]

If $\cos p\theta = \cos q\theta ,p \ne q$, then

If $\mathrm{n}$ is the number of solutions of the equation

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and $S$ is the sum of all these solutions, then the ordered pair $(\mathrm{n}, \mathrm{S})$ is :

  • [JEE MAIN 2021]