SOLUTION: Find the angle measure to the nearest tenth of a degree. cos<sup>-1</sup>(0.0682).

Algebra ->  Trigonometry-basics -> SOLUTION: Find the angle measure to the nearest tenth of a degree. cos<sup>-1</sup>(0.0682).      Log On


   

Question 754888: Find the angle measure to the nearest tenth of a degree.
cos-1(0.0682).
Answer by Edwin McCravy(20062) About Me  (Show Source):
You can put this solution on YOUR website!
You have to have a calculator with a cos-1 key on it.
Look on the "cos" key and often you'll find that if you press a
2nd key before it, it will give you the inverse cosine. I get:
`
86.0893923° which rounds off to 86.1°
Edwin