marasofia1616
Find the exact values of sin A and cos A. Write fractions in lowest terms.



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marasofia1616
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dw:1351868855259:dw

johnsonshelby
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Sin is opposite/hypo
Cos is adjacent/hypo

zordoloom
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Can you identify A on the graph?

marasofia1616
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dw:1351869060826:dw

johnsonshelby
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Ok, so take the A angle and the opposite is 24, straight across. They hypo is 30. So sin 24/30.

johnsonshelby
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You would do cos the same way, just with the adjacent side, the one that the angle actually touches other than the hypo :)

marasofia1616
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yep I got it thanks

zordoloom
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@johnsonshelby seems to explain it pretty well.