Slope of a tangent

Slope of a tangent
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Geogebra applet on slope of a tangent

https://files.metastudio.org/media/c/2/2/9bf4cd452ad27af87a42b4066359ba6ec0eb7847017fbd98aeed4e2cd8e11.html

License: CC-BY-SA 4.0 unported
Source: NCERT