Find all solutions of the following: cos(2x)+3cos(x)=-2 cos(2x) + 3 cos(x) = -2 9. Find all...

Question

Question

Find all solutions of the following: cos(2x)+3cos(x)=-2

Answer 1

Answer #1

-d Ces zu = 2605² iaio Cos Qxt 3 Cosu formular coseal +3 Cosx==2 2 Cose +3 Cosntl=0 llogut llogut cosa tia dosuf cosnt) + 16

Answer 2

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