How do I draw a tangent line on a graph ?

J

Jon Peltier

There is no built in functionality for this. You could use the (AutoShape)
drawing tool and draw a line, but that's not very satisfying. Or you could
determine the slope at the desired point, compute the endpoints of the line
with the calculated slope intersecting at the desired point, and add ax XY
series to the chart using these endpoints.

- Jon
 

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