Please help me solve this problem.... it's been awhile so I am a bit rusty! Thanks cos x + 2 cos x = -1 over the interval [0, 2 p)

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Originally Posted by kittykat7 Please help me solve this problem.... it's been awhile so I am a bit rusty! Thanks cos x + 2 cos x = -1 over the interval [0, 2 p) Hi kittykat7, I'm going to assume that you meant to write: In which case,

Originally Posted by masters Hi kittykat7, I'm going to assume that you meant to write: In which case, Thanks, I'm actually not sure what it was asking, that is how I received the question. That is one of the choices for an answer, so I am assuming that is what I was asking. Thank you for your speedy response!

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