Trigonometry - Chapter 6

Front

What are the three primary trigonometric ratios?

Back

Sine, Cosine, and Tangent.

Front

What is the sine rule used for?

Back

To find unknown lengths or angles in non-right-angled triangles.

Front

What is the cosine rule used for?

Back

To find unknown lengths or angles in any triangle.

Front

What should you always do when solving three-dimensional problems in trigonometry?

Back

Always draw a large, clear diagram.

Front

Where can you access videos related to the sine and cosine rules?

Back

http://www.explainingmaths.com/what-are-the-sine-and-cosine-rule.html