anonymous
  • anonymous
Find the exact values of sin A and cos A. Write fractions in lowest terms.
Mathematics
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
|dw:1351868855259:dw|
anonymous
  • anonymous
Sin is opposite/hypo Cos is adjacent/hypo
anonymous
  • anonymous
Can you identify A on the graph?

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anonymous
  • anonymous
|dw:1351869060826:dw|
anonymous
  • anonymous
Ok, so take the A angle and the opposite is 24, straight across. They hypo is 30. So sin 24/30.
anonymous
  • anonymous
You would do cos the same way, just with the adjacent side, the one that the angle actually touches other than the hypo :)
anonymous
  • anonymous
yep I got it thanks
anonymous
  • anonymous
@johnsonshelby seems to explain it pretty well.

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