# Tangent equation online calculator

*Tangent equation* to the function
f(x)
at the point x_{0} has form:

у(x) =
f'(x_{0})
(x − x_{0}) +
f(x_{0})

## Choose expression input type:

Expression input type:
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## Choose options to find function's tangent:

Function variable

## You want to find tangent to the function:

## Other usefull links:

Find function derivative onlineNormal equation online calculator

Derivatives identities