Question

$50 tan$ $\left (3tan^{-1} (\frac{1}{2}) + 2 cos^{-1} (\frac{1}{√5})\right) + 4\sqrt2 tan \left (\frac{1}{2} tan^{-1} (2\sqrt2)\right)$ is equal to ____.

Answer 1

The correct answer is: 29.

$= 25 + 4 = 29.$