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OpenStudy (anonymous):
The value of cos30° is . True or False
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OpenStudy (anonymous):
|dw:1355531127507:dw|
OpenStudy (anonymous):
@Hero False
OpenStudy (anonymous):
@jim_thompson5910 I was right?
jimthompson5910 (jim_thompson5910):
yes
OpenStudy (anonymous):
I use the unit circle
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jimthompson5910 (jim_thompson5910):
cos(30) = sqrt(3)/2 if it were cos(60), then it would be correct
OpenStudy (anonymous):
|dw:1355531199646:dw| Sorry, I meant to say sqrt(3), not sqrt(2).
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