Algebra Examples

$\sin^{2} (π)$

Step 1

Apply the reference angle by finding the angle with equivalent trig values in the first quadrant.

$\sin^{2} (0)$

Step 2

The exact value of $\sin (0)$ is $0$ .

$0^{2}$

Step 3

Raising $0$ to any positive power yields $0$ .

$0$