Mark M. answered 02/24/15
Tutor
4.9
(954)
Retired Math prof with teaching and tutoring experience in trig.
cos2θ + sin2θ = 1, so sinθ = ±√(1 - cos2θ)
sinθ = ±√(225/289) = ± 15/17
Justin H.
asked 02/24/15Mark M. answered 02/24/15
Retired Math prof with teaching and tutoring experience in trig.
Get a free answer to a quick problem.
Most questions answered within 4 hours.
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.