I now introduce you to the Cartesian and parametric forms of an ellipse followed by a summary exercise.

Finding a tangent and normal in parametric form

Tangents and normals to an ellipse (parametric form) : ExamSolutions Maths Revision - youtube Video

Finding a tangent in Cartesian form

Equation of Tangent to an Ellipse (Cartesian form) : ExamSolutions Maths Revision - youtube Video

Finding m in y=mx+c for a line to be a tangent to an ellipse

Finding m in y=mx+c for a line to be a tangent to an ellipse : ExamSolutions Maths Revision - youtube Video