
Limited time only! Sign up for a free 30min personal tutor trial with Chegg TutorsDismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!
Homework Help: Prove that cos 20 is irrational
Loading...
Similar Threads for Prove irrational  Date 

Prove sqrt(6) is irrational  May 8, 2014 
Doubt!Prove the term is irrational!  Mar 16, 2013 
Proving pi is irrational  Dec 14, 2012 
Prove this is irrational.  Apr 26, 2012 
Prove that x is irrational unless it is an integer.  Feb 12, 2012 