GCSE Edexcel Trigonometry - Edexcel Trigonometric graphs - Higher The three trigonometric ratios; sine, cosine and tangent are used to calculate angles and lengths in right-angled triangles. The ...

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 ...

An example of this can be seen below. Once the tangent is found you can use it to find the gradient of the graph by using the following formula: Gradient to the curve = y 2 y 1 x 2 x 1 ...