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OpenStudy (anonymous):
3cosx-1=2
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OpenStudy (anonymous):
\[3\cos(x)-1 = 2 \Rightarrow 3\cos(x) = 3 \Rightarrow \cos(x) = 1\] You gotta look at your Unit Circle and find an angle whos cos is equal to 1
OpenStudy (anonymous):
that would be 0 right??
OpenStudy (anonymous):
yes :)
OpenStudy (anonymous):
yay thanks! :D
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