The purpose of the Sine Law is to find the length of the missing side of a triangle with the side lengths and angle measures you are given.
Watch this video for a better understanding!
Example:
Using Sine Law to find a missing angle
The Sine Law is an easy way to find and solve for either a missing angle or missing side length of a triangle. All it takes is the Sine Law formula, and you can simply plug in your given numbers and get your answer!