Q. $sin (2 tan^{- 1} (\frac{8}{15})) =$

4047 287 Inverse Trigonometric Functions Report Error

A

$\frac{230}{289}$

6%

B

$\frac{240}{289}$

50%

C

$\frac{120}{249}$

11%

D

$\frac{120}{289}$

33%

Solution:

$2 tan^{- 1} x = sin^{- 1} \frac{2 x}{1 + x ^{2}}$