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December 17th, 2012, 01:55 AM  #1 
Member Joined: Aug 2012 Posts: 88 Thanks: 0  Trig/geometry help (triangles/finding sides) I have to find side 'R' L = 6.10 meters, theta = 36.9 degrees, and phi = 53.1 degrees. I don't see any way I can attempt this, I'm very rusty with my trig. We have a known side and a right angle, but I don't see how I can make any other angles (since we only have one side I'm assuming I need to get an angle somewhere 
December 17th, 2012, 04:19 AM  #2 
Global Moderator Joined: Dec 2006 Posts: 20,379 Thanks: 2011 
The other angles are 
December 20th, 2012, 02:35 PM  #3 
Senior Member Joined: Dec 2012 Posts: 148 Thanks: 0  Re: Trig/geometry help (triangles/finding sides) so it is 3:4:5 triangle... Pythagorian triangle. 

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sides, triangles or finding, trig or geometry 
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