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OpenStudy (anonymous):
if possible find a solution to 4cos(theta)=-.612
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OpenStudy (anonymous):
We need to isolate theta. How do we start that?
OpenStudy (anonymous):
divide by 4
OpenStudy (anonymous):
Yes. Then we have \[\cos \theta=-.153\]
OpenStudy (anonymous):
then do you take the arccos of -.153?
OpenStudy (anonymous):
Sure do. :)
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