
Jared B. answered 03/29/20
Tutor
New to Wyzant
5+ yrs Experience: Math and Science Tutor
Cos-1(4/7) remember anything in quadrant 2 (90-180) will be a negative ratio.
Jay R.
asked 03/28/20Find all angles θ between 0° and 180° satisfying the given equation cos(θ) = 4/7
Jared B. answered 03/29/20
5+ yrs Experience: Math and Science Tutor
Cos-1(4/7) remember anything in quadrant 2 (90-180) will be a negative ratio.
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