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OpenStudy (alfred565):
What is the sine of a 30° angle?
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OpenStudy (anonymous):
you need a nice trig cheat sheet
OpenStudy (anonymous):
find the coordinates of the point corresponding to the 30 degree angle the first coordinate is cosine, the second coordinate is sine
OpenStudy (alfred565):
so, 3/2?
OpenStudy (alfred565):
@satellite73 and why is the 30 and 60 the same? is it 1/2 or 2/3?
OpenStudy (alfred565):
3/2*
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OpenStudy (usukidoll):
my professor told me that to find sin30 we have to look at the 30 degree angle.. and use opposite/ hypotenuse
OpenStudy (usukidoll):
|dw:1434591073159:dw| this is a standard 30 degree and 60 degree triangle
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