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The Law of Sines Examples

Video lessons with examples and solutions to help High School students learn how to use the law of sines to find angles and sides of triangles.

What is the Law of Sines or the Sine Rule?
The Law of Sines states that

\(\frac{{\sin A}}{a} = \frac{{\sin B}}{b} = \frac{{\sin C}}{c}\)

It can be used to find missing angles and sides of non-right angled triangles.

The Sine Law Part 1
This lesson shows how to use the Sine law to find angles and sides.
The Sine Law Part 2
This lesson shows how to use the Sine law to find angles and sides.

Sine Law.
Learning how to use the sine law to solve a non-right angled triangle.
The Law of Sines (also known as the Sine Rule) is a method for working out the angle or side length in a non right angled triangle.

Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

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