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.
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