Tangent to a Curve

Rarely Tested

Tangent to a Curve

For:

$$y=f(x)$$

at the point:

$$(x_1,y_1)$$

the tangent equation is:

$$y-y_1=f'(x_1)(x-x_1)$$

Usage

- Used to find the tangent line to a curve at a specified point.

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