What is, \( \arccos \sqrt{\cfrac{1+\sqrt{\cfrac{1-\sqrt{\cfrac{1-\sqrt{\cfrac{1+\cfrac{\sqrt{3}}{2}}{2}}}{2}}}{2}}}{2}}.\)?
All help is appreciated, thank you!
By a calcualator, the answer is 87.5 degrees.
arccos = 0.910863824 = 24.375 degrees = 0.42542401 radians
