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anonymous
 one year ago
Can anyone help me get started on finding the solutions to the equation (cosx)^2+cosx2=0 which x lies in the interval [2 , 2 ].
anonymous
 one year ago
Can anyone help me get started on finding the solutions to the equation (cosx)^2+cosx2=0 which x lies in the interval [2 , 2 ].

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johnweldon1993
 one year ago
Best ResponseYou've already chosen the best response.3Hint* It can be factored

johnweldon1993
 one year ago
Best ResponseYou've already chosen the best response.3\[\large cos^2(x) + cos(x)  2 = 0\] Think of it as \[\large x^2 + x  2 = 0\]
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