## Trigonometry 1 Section 4: The Sine Rule

The Sine Rule was on the JC HL course. The examples below will remind you of its application. The ambiguous case of the sine rule is new in example 3. Before you watch this video or try the question in the video play with the attached GeoGebra file.

**Finding a side**

**Finding an angle**

**Ambiguous Case of the Sine Rule**

Interactive Geogebra File: Ambiguous Case of the Sine Rule