$$$\csc{\left(120^{\circ} \right)}$$$

$$$\csc{\left(120^{\circ} \right)}$$$을(를) 구하시오.

$$$\csc{\left(120^{\circ} \right)} = \csc{\left(\frac{2 \pi}{3} \right)} = \frac{2 \sqrt{3}}{3}\approx 1.154700538379252$$$A

그래프는 graphing calculator를 참고하세요.