Tangent Function

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

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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.
Tangent example

Solution:
Tangent solution

The following video gives examples of the tangent function.

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