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Mathematics 19 Online
OpenStudy (anonymous):

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

OpenStudy (anonymous):

|dw:1351868855259:dw|

OpenStudy (anonymous):

Sin is opposite/hypo Cos is adjacent/hypo

OpenStudy (anonymous):

Can you identify A on the graph?

OpenStudy (anonymous):

|dw:1351869060826:dw|

OpenStudy (anonymous):

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

OpenStudy (anonymous):

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

OpenStudy (anonymous):

yep I got it thanks

OpenStudy (anonymous):

@johnsonshelby seems to explain it pretty well.

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