Ononot — Let T: \mathbb{R}^2 \to \mathbb{R}^2 be a linear transformat

Vectors & Spacesmedium

0:00.0

Let $T: \mathbb{R}^2 \to \mathbb{R}^2$ be a linear transformation that rotates vectors by $\frac{\pi}{2}$ counterclockwise. What is the matrix representation of $T$ ?