# graphing techniques for level curves

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• Feb 25th 2009, 06:21 PM
cubs3205
graphing techniques for level curves
Hi, I am having trouble graphing two level curves:

1 = e^(-y) * tan (x)

1/2 = cos(x) * cos(y)

What is the best way to graph these? Should I be using calculus to find turning points and concavity?
• May 28th 2009, 01:40 PM
Media_Man
clarity?
$y=-\ln(\cot x)$

$y=\arccos(\frac12\sec x)$

What is it exactly you are trying to do?