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Writing unit vectors in terms of sin/cos?

by cdotter
Tags: sin or cos, terms, unit, vectors, writing
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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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Oct20-10, 07:06 PM
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For the record, in case anyone requires it in the future.

Use Soh Cah Toa (trigonometry):

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