Thread: Trig Function Help
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Old November 17th, 2008, 07:33 PM
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Default
\tan{x} = \frac{\sin{x}}{\cos{x}}

\tan{x} is undefined anywhere \cos{x} = 0

on the interval [0, 2\pi] , \cos{x} = 0 at x = \frac{\pi}{2} and x = \frac{3\pi}{2}

next time, start a new question with a new post.
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