More Lessons for Grade 9 Math

Math Worksheets

Videos, worksheets, solutions, and activities to help students learn the trigonometric functions: sine, cosine, tangent.

Basic Trigonometry

An introduction to trigonometric functions: sine, cosine, and tangent.

Another example of figuring out the sine, cosine, and tangent of an angle in a right triangle

A brief lesson on trigonometric functions: sine, cosine, and tangent. We look at their definition and an application.

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.