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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.

 Oct 15, 2022
 #1
avatar+33270 
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See https://web2.0calc.com/questions/pre-calc-problem#r5

 Oct 15, 2022
 #2
avatar+118132 
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Thanks Alan,

 

That was good revision for me. :)

 Oct 15, 2022

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