William W. answered • 04/16/20
Tutor
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Math and science made easy - learn from a retired engineer
Use your calculator to find this answer. Use the 2nd function cosine button (cos-1) and type in cos-1(3/8) to find the angle θ. I got θ = 67.98°.
(Make sure your calculator is in "degree" mode is you want to get an answer in degrees like I show)
