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April 6th, 2019, 12:41 AM  #1 
Newbie Joined: Apr 2019 From: rtyrey Posts: 2 Thanks: 0  How to solve
Hello How to solve 2CosĀ²60degree 
April 6th, 2019, 12:50 AM  #2 
Global Moderator Joined: Dec 2006 Posts: 20,485 Thanks: 2041 
As cos(60 degrees) = 1/2, your expression evaluates to 1/2.


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