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.

GCSE; Eduqas; 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. Their ...

Higher; Circles and graphs The tangent. The equation of a circle can be found using the centre and radius. The discriminant can determine the nature of intersections between two circles or a ...