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September 19th, 2013, 12:56 PM  #1 
Newbie Joined: Sep 2013 Posts: 10 Thanks: 0  Component Form of Vector Given Magnitude and Angle
The vector in 3space of length 3 lying in the xzplane pointing upward at an angle of 150 measured from the positive xaxis. I know how to find this with a 2D (x,y) but not for 3D(x,y,z) 3(cos150,sin150) 
September 19th, 2013, 01:41 PM  #2 
Math Team Joined: Sep 2007 Posts: 2,409 Thanks: 6  Re: Component Form of Vector Given Magnitude and Angle
"In the xz plane" means the y component is 0. Apply your formulas to (x, 0, z).


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