How to Find the Tangent on a Graph in Excel. The tangent is defined as the single point where a straight line meets a curved surface. The tangent can be determined with a collection of ...

Other Graphs - Eduqas The equation of the tangent to a circle - Higher The most commonly occurring graphs are quadratic, cubic, reciprocal, exponential and circle graphs.

Learn how to find the equation of a circle and use the discriminant to prove for tangency in intersections for Higher Maths.