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avatar+5 

$\arccos \sqrt{\cfrac{1+\sqrt{\cfrac{1+\sqrt{\cfrac{1-\sqrt{\cfrac{1+\cfrac{\sqrt{3}}{2}}{2}}}{2}}}{2}}}{2}}$. Need some help solving this asap.

 Jan 20, 2025
 #1
avatar+818 
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Do not post AoPS homework.

 Jan 20, 2025
 #2
avatar+750 
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The answer is 5*pi/64.

 Jan 23, 2025

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