Q. $cot^{- 1} (cot \frac{5 π}{6}) =$

2374 287 Inverse Trigonometric Functions Report Error

A

$\frac{5 π}{6}$

40%

B

$\frac{3 π}{6}$

8%

C

$- \frac{π}{6}$

31%

D

$\frac{π}{6}$

19%

Solution:

$cot^{- 1} (cot \frac{5 π}{6}) = \frac{5 π}{6} (∵ \frac{5 π}{6} \in (0, π))$