
Mark M. answered 03/24/21
Tutor
5.0
(278)
Mathematics Teacher - NCLB Highly Qualified
16 cos2 x - 4 = 0
16 cos2 x = 4
cos2 x = 0.25
cos x = 0.5
Nylah L.
asked 03/24/21Solve the equation. (Enter your answers as a comma-separated list. Use n as an integer constant. Enter your response in radians.)
Mark M. answered 03/24/21
Mathematics Teacher - NCLB Highly Qualified
16 cos2 x - 4 = 0
16 cos2 x = 4
cos2 x = 0.25
cos x = 0.5
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