Deriving the Equation of Tangents

              Deriving the Equation of Tangents

              Students learn how to find the equation of a tangent to a curve and circle.

              Later, as learning progresses they apply their learning to prove whether a line is tangential.

              Differentiated Learning Objectives
              • All students should be able to calculate the gradient of a tangential line to a circle.
              • Most students should be able to calculate the equation of a line tangential to a circle.
              • Some students should be able to use algebra to prove a line is tangential to a circle.
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              Scheme of Work Links
              Graphical Functions, Circles and Tangents
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