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OpenStudy (anonymous):
Fill in the blank Cos _____ equals 1/2 A. 60 deg B. 30 DEG C. 45 deg D. 90deg
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OpenStudy (anonymous):
Let me just get out my notes for a second . . .
OpenStudy (anonymous):
kay
OpenStudy (lucaz):
it's a very good idea to memorize the sine and cosine of 30 45 and 60 degrees http://image.tutorvista.com/content/feed/u346/mom.GIF
OpenStudy (anonymous):
I have that the answer = 60 degrees. Does that make sense?
OpenStudy (anonymous):
tnx lucaz
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OpenStudy (anonymous):
yea it made sense tnx
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