Sam Z. answered 04/29/19
Tutor
4.3
(12)
Math/Science Tutor
120 degrees is the answer. 60 leaves -1.
Do want to use the 30 for 120-90?
Abagail I.
asked 04/29/19The number of degrees in the smallest positive angle that satisfies the equation 2cos2x-3cosx=2 is
a)30
b)60
c)130
d)210
Sam Z. answered 04/29/19
Math/Science Tutor
120 degrees is the answer. 60 leaves -1.
Do want to use the 30 for 120-90?
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