Graphing Inverse Circular Functions on Calculator

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: I have a quick question about how one would go about graphing arccot(x) in radians using a TI-83 Plus graphing calculator. : Now, what exactly is it that I have to input into my Y₁ that would make the graph have a range of 0 [</=] y [</=] [pi], cross the y-axis at [pi]/2, and have a domain of infinity. I've tried 1/arctan(x), 1/(cos(x)/sin(x)), 1/(arccos(x)/arcsin(x)), and several other combinations that did not produce the desired graph. WHAT AM I DOING WRONG!? : Thanks a bunch :) : ~Liz

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