SOLUTION: Is there a complex number solution to: arccos(x) = 2 ?

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Question 1102479: Is there a complex number solution to:
arccos(x) = 2 ?
Found 2 solutions by stanbon, ikleyn:
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Is there a complex number solution to:
arccos(x) = 2 ?
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arccos(x) means "The angle whose cosine is "x".
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The equation says "The angle whose cosine is "x" equals 2.
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The solution is a Real Number with no imaginary part.
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Cheers,
Stan H.
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Answer by ikleyn(52787) About Me  (Show Source):
You can put this solution on YOUR website!
.
Let me translate the answer by @Stanbon to the regular Math language: 

    The solution to the equation arccos(x) = 2 is the real number x = cos(2),  where "2" means the angle of 2 radians.


    Using the tables, a computer or a calculator,  x = cos(2) = -0.41615. . .