How to Find the Tangent on a Graph in Excel. ... Microsoft Excel simplifies the process by calculating the functions; however, some math conversions are required to ensure accurate calculations.

National 5; Working with the graphs of trigonometric functions Trigonometric graphs. Trigonometric graphs can be sketched when you know the amplitude, period, phase and maximum and minimum turning ...

The following graph shows the car journey from Chelsea’s house to her mother’s house. Estimate the velocity of the car at \(\text{t = 6.5 s}\). The tangent has been drawn for you.