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OpenStudy (anonymous):
HELP!! precalculus question!!! only one!!!
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OpenStudy (anonymous):
OpenStudy (anonymous):
so cos(x)=1/2 cosine is positive in the 1st quadrant and 4th quadrant
OpenStudy (anonymous):
so you take inverse cosine, you get pi/3 or 60º for your first quadrant first rotation answer
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