This calculus 2 video tutorial explains how to find the tangent line equation in polar form. You need to find the first derivative dy/dx of the polar equation and evaluate it to determine the slope in polar form. Next, convert the point from polar form to rectangular form and write the equation of the tangent in slope intercept form using the point-slope formula.

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Graphing Polar Equations:

https://www.youtube.com/watch?v=p98hm1Dksew

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