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OpenStudy (anonymous):
Can anyone help me with this question?? If the sin 30° is 1 over 2, then the cos ____° = _____.
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OpenStudy (anonymous):
sin(30 degrees)=(1/2) cos(30 degrees)=(sqaure root 3)/2
OpenStudy (anonymous):
I'm guessing they want the cosine of 30 degrees
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