The three common trigonometry functions are tangent, sine and cosine. Here, we will consider the tangent function - its definition and some applications.

**Related Pages**

Basic Trigonometry

Trigonometry - Special Angles

Trigometry Problems

You may use want to use some mnemonics to help you remember the
trigonometric functions. One common mnemonic is to remember the **SOH-CAH-TOA**.

The **tangent** of an angle is the ratio of the opposite side and
adjacent side of the corresponding right triangle.

Tangent is usually abbreviated as tan. Tangent *θ* can be written as tan *θ*.

Example:

Calculate the value of tan *θ* in the following triangle.

Solution:

The following video gives examples of the tangent function.

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

We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.