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education/math/MATH1060 (trig)/Vectors.md
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A vector is a mathematical concept that denotes direction and magnitude. They're often notated using an arrow ($\overrightarrow{v}$), or with a bold, lowercase letter. (**v**). A vector is a mathematical concept that denotes direction and magnitude. They're often notated using an arrow ($\overrightarrow{v}$), or with a bold, lowercase letter. (**v**).
$$\begin{bmatrix} $$\begin{bmatrix}
1 \\ 1 \\
2 2
\end{bmatrix} \end{bmatrix}
$$ $$
# Magnitude
The magnitude of a vector is $|\overrightarrow{v}| = \sqrt{a^2 + b^2}$
# Direction
The direction of a vector is $\theta = \tan^-1