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July 31st, 2017, 05:47 AM  #1 
Newbie Joined: Jul 2017 From: Fayetteville, NC Posts: 2 Thanks: 0  Equivalent Expressions (Trig)
Help!!!!!!!!!!!!!!!!!!!!!!!! What is the equivalent expression of: cos (pi/2 + x)/cos (pi + x) 
July 31st, 2017, 06:02 AM  #2 
Senior Member Joined: Sep 2015 From: Southern California, USA Posts: 1,500 Thanks: 757  
July 31st, 2017, 01:25 PM  #3 
Newbie Joined: Jul 2017 From: Fayetteville, NC Posts: 2 Thanks: 0 
Thanks


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