anonymous
  • anonymous
How do you figure out cos0=?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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Mertsj
  • Mertsj
Remember that the cosine is like x. So find 0 degrees on the unit circle, write the coordinates of that point, and take the x coordinate. That will be the cosine of 0
anonymous
  • anonymous
Using a Unit Circle : http://www.mathpeer.com/images/trig/unit_circle.gif cos = x value sin = y value cos0 = 1
anonymous
  • anonymous
|dw:1333424330528:dw|

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Mertsj
  • Mertsj
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anonymous
  • anonymous
alright! thanks guys
UnkleRhaukus
  • UnkleRhaukus
\[\text{cosine of x}\]\[ = \cos (x) = \frac{e^{ix}+e^{-ix}}{2}\] \[\text{cosine of 0}\]\[ = \cos (0) = \frac{e^{i0}+e^{-i0}}{2}=\frac{1+1}{2}=1\]

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