SOLUTION: Find all positive vales of theta less than 360degrees that satisfy the equation costheta=2+3cos2theta. Express your answers to the nearest ten minutes or nearest tenth of a degree.

Question 830491: Find all positive vales of theta less than 360degrees that satisfy the equation costheta=2+3cos2theta. Express your answers to the nearest ten minutes or nearest tenth of a degree.
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Find all positive vales of theta less than 360degrees that satisfy the equation costheta=2+3cos2theta. Express your answers to the nearest ten minutes or nearest tenth of a degree.
***
(0

theta=109.5˚, 250.5˚(in quadrants II and III in which cos<0)
or

theta=60˚,300˚(in quadrants I and IV in which cos>0)

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