August 13th, 2012, 01:54 AM  #1 
Member Joined: Jan 2012 Posts: 82 Thanks: 0  simplification
Hi! I need to simplify the following r^2  r cos theta ( r sin theta cos phi) can anyone help? Arron 
August 13th, 2012, 02:18 AM  #2 
Senior Member Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,211 Thanks: 521 Math Focus: Calculus/ODEs  Re: simplification
The best I can see is to write: 
August 14th, 2012, 03:46 AM  #3 
Member Joined: Jan 2012 Posts: 82 Thanks: 0  Re: simplification
Thanks, but I not sure if gave the equation right. How about r^2  r cos theta r sin theta cos phi arron 
August 14th, 2012, 04:50 AM  #4 
Global Moderator Joined: Dec 2006 Posts: 20,916 Thanks: 2199 
That's an expression, not an equation, and is equivalent to the expression you gave originally.


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