## tan θ

### In mathematics, the tangent function, commonly denoted as tan, relates the ratio of the length of the opposite side to the length of the adjacent side of a right triangle

In mathematics, the tangent function, commonly denoted as tan, relates the ratio of the length of the opposite side to the length of the adjacent side of a right triangle. It is defined as:

tan(θ) = opposite/adjacent

The tangent function is a trigonometric function that is used to find the slope of a line, angles of elevation and depression, and various other mathematical applications.

For example, if we have a right triangle where the length of the opposite side is 4 units and the length of the adjacent side is 3 units, we can find the value of tan(θ) as follows:

tan(θ) = opposite/adjacent

= 4/3

So, in this case, tan(θ) is equal to 4/3.

It is important to note that the tangent function is periodic, meaning it repeats its values after certain intervals. The period of the tangent function is π, so tan(θ) = tan(θ + nπ), where n is an integer.

Additionally, the tangent function has certain properties, such as being odd and having vertical asymptotes at odd multiples of π/2.

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