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OpenStudy (chris215):
Find the value of cos θ for the angle shown. help!!!!!!
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OpenStudy (chris215):
OpenStudy (freckles):
do you know how to find the hyp of that triangle?
OpenStudy (freckles):
or forget cos we can just find the angle then find cos(angle)
OpenStudy (chris215):
a^2 + b^2= c^2?
OpenStudy (freckles):
you can find alpha=arctan(y/x) we will call alpha the angle between the x-axis the the hyp of that triangle
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OpenStudy (freckles):
so once you find alpha theta=360-|alpha|
OpenStudy (freckles):
|dw:1425606534495:dw|
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