# Calculus - Derivative of Sine (Geometric proof)

- Author:
- Chip Rollinson

- Topic:
- Calculus, Derivative, Sine

As goes to 0, the small tan-shaded region resembles which becomes "more similar" to .
Move the slider to make smaller.

Proof found in Roger Nelsen's

*Cameos for Calculus: Visualization in the First-Year Course*.## New Resources

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