$$$\operatorname{acos}{\left(5 \right)}$$$

$$$\operatorname{acos}{\left(5 \right)}$$$을(를) 구하시오.

$$$\operatorname{acos}{\left(5 \right)}\approx 2.292431669561178 i$$$A

$$$\operatorname{acos}{\left(5 \right)} = \left(\frac{180 \operatorname{acos}{\left(5 \right)}}{\pi}\right)^{\circ}\approx \left(131.346659487984425 i\right)^{\circ}$$$A

그래프는 graphing calculator를 참고하세요.