Differentiate implicity the function, then plug , so will be the slope of the tangent line.

Apply the point-slope formula and you're done.

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I dunno if this is the procedure, I don't remember these things -.-

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- September 27th 2007, 06:40 PM #1flewoveruGuest

- September 27th 2007, 06:58 PM #2

- September 28th 2007, 06:09 AM #3