Discovering the Law of Cosines
- Author:
- Judah L Schwartz
- Topic:
- Cosine
A triangle with sides a, b and c is drawn in the left hand panel.
Use the blue dot in the left hand panel to adjust the ratio of b to a.
Use the gold dot to vary the shape of the triangle. [You can animate
the shape of the triangle by clicking on the icon in the lower left hand corner of either panel.]