Derivative as slope of a tangent line | Taking derivatives | Differential Calculus | Khan Academy Channel: Khan Academy1.0M views • 16/06/2010Related VideosUnderstanding Differentiation Part 1: The Slope of a Tangent LineSlope and Equation of Normal & Tangent Line of Curve at Given Point - Calculus Function & GraphsFinding The Tangent Line Equation With Derivatives - Calculus Problems