+0

# help trig

0
30
1

Calculate
$\arccos \sqrt{\cfrac{1-\sqrt{\cfrac{1-\sqrt{\cfrac{1-\sqrt{\cfrac{1+\cfrac{\sqrt{3}}{2}}{2}}}{2}}}{2}}}{2}}.$
As usual, the output of an inverse trig function should be in radians.

Dec 6, 2022