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OpenStudy (anonymous):
Solve the equation on the interval 0≤θ<2π 2cos^2 theta + cos theta = 0
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OpenStudy (mathstudent55):
\( 2 \cos^2 \theta + \cos \theta = 0\) Treat \( \cos \theta\) as a variable, and solve the quadratic equation for \( \cos \theta \) by factoring. Then use trig to solve for \( \theta\).
OpenStudy (anonymous):
thank you
OpenStudy (mathstudent55):
wlcm
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