SOLUTION: What is the exact value of-
cos^-1 (cos 2/7)
Algebra.Com
Question 603948: What is the exact value of-
cos^-1 (cos 2/7)
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
What is the exact value of-
cos^-1 (cos 2/7)
**
This problem is not written properly. The inverse of a trig function requires a value not an angle as it appears in this case. You probably meant cos=2/7.
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