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August 23rd, 2013, 06:07 PM  #1 
Member Joined: Oct 2009 From: honolulu Posts: 52 Thanks: 0 
Calculate the acute angle between the lines with equations and using the 2 direction vectors and I get about , but on WF it looks closer to . Last edited by skipjack; April 30th, 2016 at 04:43 PM. 
August 23rd, 2013, 06:48 PM  #2  
Senior Member Joined: Sep 2012 From: British Columbia, Canada Posts: 764 Thanks: 53  Re: Calculate the acute angle between the lines with equatio Quote:
rather than the arccos.  
August 24th, 2013, 04:59 PM  #3 
Member Joined: Oct 2009 From: honolulu Posts: 52 Thanks: 0  Re: Calculate the acute angle between the lines with equatio
You're right, I forgot to use on it.


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acute, angle, calculate, equations, lines 
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