Differential Calculus2D
Derivatives of Parametric and Polar Curves - Theory & Concepts - Parametric Polar
Learn how to find derivatives, slopes, and tangency angles for curves defined parametrically and in polar coordinates.
Open the complete lessonParametric & Polar Tangent Explorer
The tangent line slope is given by:
For polar, substitute x=r cos(θ) and y=r sin(θ) first.