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OpenStudy (anonymous):
Trig question - help please. Solve for all real numbers. (Equation in comments.)
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OpenStudy (anonymous):
\[2\cos(x)=-\sqrt{3}\]
OpenStudy (e.mccormick):
OK... where are you having trouble with this?
OpenStudy (anonymous):
I solved and got 5pi/6. I'm not sure if I would add 2pi to get the rest of the answers, in which case would the answer be 5pi/6 + 2npi?
OpenStudy (e.mccormick):
Just \(\frac{5\pi}{6}\)?
OpenStudy (anonymous):
yup
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OpenStudy (e.mccormick):
|dw:1368855901165:dw|
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