Question 1040394
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If the result of the function is the value of the cosine, then it is just the cosine.  The inverse function gives the argument of the cosine function when you already know the value of the cosine function.


John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
My calculator said it, I believe it, that settles it
<img src="http://c0rk.blogs.com/gr0undzer0/darwin-fish.jpg">
*[tex \Large \ \
*[tex \LARGE \ \ \ \ \ \ \ \ \ \  

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