Writing unit vectors in terms of sin/cos?


by cdotter
Tags: sin or cos, terms, unit, vectors, writing
cdotter
cdotter is offline
#1
Oct20-10, 02:43 PM
P: 306
Where could I find a webpage or guide on how to write unit vectors in terms of sin and cos? I looked through my textbook and tried searching google, but I can't find anything...I must be using the wrong terminology.


edit: Delete me! I had one of those epiphany moments and figured it out.
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JaredJames
JaredJames is offline
#2
Oct20-10, 07:06 PM
P: 3,390
For the record, in case anyone requires it in the future.

Use Soh Cah Toa (trigonometry):

http://en.wikipedia.org/wiki/Trigonometry


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