
Mark M. answered 04/30/21
Tutor
5.0
(278)
Mathematics Teacher - NCLB Highly Qualified
2 cos x = -1
cos x = -0.5
x = 120°
Mark C.
asked 04/30/21Mark M. answered 04/30/21
Mathematics Teacher - NCLB Highly Qualified
2 cos x = -1
cos x = -0.5
x = 120°
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