Trigonometry Examples

$2 \sin (180)$

Step 1

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

$2 \sin (0)$

Step 2

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

$2 \cdot 0$

Step 3

Multiply $2$ by $0$ .

$0$