CUET Preparation Today
CUET
-- Mathematics - Section B1
Vectors
The angle between the vectors $\hat{i}-2 \hat{j}+\hat{k}$ and $3 \hat{i}+2 \hat{j}+\hat{k}$ is:
0
$\frac{\pi}{4}$
$\pi$
$\frac{\pi}{2}$
The correct answer is Option (4) → $\frac{\pi}{2}$