Graphing a Tangent

You can find the derivative of any function using d/dx notation and you can build a tangent line accordingly using the point-slope form. 

Click on the example below to see it in action: https://www.desmos.com/calculator/v0rxp6hncb

You can replace the function we used for f(x) with any function you'd like. We also added in some sliders so you can dynamically change where the tangent line hits.

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3 Comments

  • -1
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    Stephenfast1961

    I'll try to generalize this for polar plots....

  • 0
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    skylord a52

    Will you add integrals?

  • 0
    Avatar
    name surname

    This won't work with implicit functions, right?

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