SOLUTION: 5cos^2 theta +cos theta-1=0 Find all possible values of theta in between 0� and 360�

SOLUTION: 5cos^2 theta +cos theta-1=0 Find all possible values of theta in between 0� and 360�

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Question 839010: 5cos^2 theta +cos theta-1=0 Find all possible values of theta in between 0� and 360�
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Use a substitution and the quadratic formula,

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First solution:

Second solution:

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