Q. The value of $tan 1^{\circ} tan 2^{\circ} tan 3^{\circ} \dots\dots\dots\dots .. tan 8 9^{\circ}$ is

1610 234 KCETKCET 2021Trigonometric Functions Report Error

A

0

21%

B

1

38%

C

$\frac{1}{2}$

22%

D

-1

19%

Solution:

$tan θ \cdot cot θ = 1$