# Angle Between Two Vectors Formula

## Formula

### Summary

The angle between two vectors can be calculated by the arc cosine of the dot product of the two vectors divided by the product of their respective magnitudes.

Expression Description
The angle between the two vectors
The first vector
The second vector

## Sub Formulas

Dot Product

Calculate the dot product of two vectors.

Magnitude of Vector

Calculate the magnitude (length) of a vector.