The law of sines

3 videos
1 skill
Learn about the Law of sines and how to use it in order to find missing side lengths and angles in general triangles.

How to find a missing side length using the law of sines (example)

VIDEO 5:58 minutes
Sal is given a triangle with two angle measures and one side length, and he finds all the missing side lengths and angle measures using the law of sines.

How to find a missing angle measure using the law of sines (example)

VIDEO 5:34 minutes
Sal is given a triangle with two side lengths and one angle measure, and he finds all the missing angle measures using the law of sines.

Solve triangles using the law of sines

PRACTICE PROBLEMS
Solve missing triangle measures using the law of sines.

Proof of the law of sines

VIDEO 6:32 minutes
Sal gives a simple proof of the Law of sines.