# Vectors – Calculate cosine direction of vector – Exercise 4508

Exercise

Calculate the cosine direction of the vector

$$\vec{a}=2\vec{i}-2\vec{j}+\vec{k}$$

$$\cos\alpha=\frac{2}{3}$$
$$\cos\beta=\frac{-2}{3}$$
$$\cos\gamma=\frac{1}{3}$$