SOLUTION: hello. my question is : write theta in terms of radians: cos^-1(0.25)

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Question 778649: hello. my question is :
write theta in terms of radians:
cos^-1(0.25)
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
hello. my question is :
write theta in terms of radians:
cos^-1(0.25)
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I don't see a theta.
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cos^-1(0.25) =~ 1.318116
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