If $\tan A + \cot A = 4,$ then ${\tan ^4}A + {\cot ^4}A$ is equal to

  • A

    $110$

  • B

    $191$

  • C

    $80$

  • D

    $194$

Similar Questions

If $\sin \theta + \cos \theta = 1$, then $\sin \theta \cos \theta = $

If $\sin \theta + {\rm{cosec}}\theta = 2,$ the value of ${\sin ^{10}}\theta + {\rm{cose}}{{\rm{c}}^{10}}\theta $ is

The radius of the circle whose arc of length $15\,cm$ makes an angle of $3/4$ radian at the centre is .....$cm$

Which of the following relations is possible

Which of the following is correct