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Polar Derivative Formulas

Polar Derivative Formulas

The formula for the first derivative dy/dx of a polar curve is given below.

 

Slope of tangent line = dy/dx = (dr/dθ · sinθ + r·cosθ) / (dr/dθ · cosθ − r·sinθ)

 

 

See also

Slope of a curve, tangent line, parametric derivative formulas