Mark M. answered 11/09/19
Tutor
5.0
(278)
Mathematics Teacher - NCLB Highly Qualified
2/7 = 0.285714285
cos 2/7 = 73.3984504°
cos -2/7 = 180º - 73.3984504°
Baka B.
asked 11/08/19Find all angles θ between 0° and 180° satisfying the given equation. Round your answer to one decimal place. (Enter your answers as a comma-separated list.)
| cos(θ) = − 2/7 |
| θ = ??? |
Mark M. answered 11/09/19
Mathematics Teacher - NCLB Highly Qualified
2/7 = 0.285714285
cos 2/7 = 73.3984504°
cos -2/7 = 180º - 73.3984504°
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