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OpenStudy (anonymous):
Find the value of x and y.
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OpenStudy (anonymous):
|dw:1355971208132:dw|
OpenStudy (anonymous):
sin is opposite over hyp. and cosine is adjacent over hyp.
OpenStudy (anonymous):
so that means that sin 30=x/20 and cos 30=y/20
OpenStudy (anonymous):
from here you solve for x and y from the the two equations
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