SINE LAW - is used when you are solving a non-right triangle.
How would you know when to use Sine law?
You can use Sine Law if:
- You are given Side Angle Side (SAS)
- You are given Side Angle Angle (SAA)
here is the formula:
Example:
Solve for x.
Step 1: Write the informations given. Set the Ratio.
Step 2: Solve by using "cross multiply".
48 ( sin 38 ) = x( sin 101 )
----------- ------------
sin 101 sin 101
30.10 = x
For more practices using sine law, click.
