$\displaystyle \lim _ {x \rightarrow 0} \frac{{\cos} \left (\frac{\pi} {2} (1+x) \right)} {{\tan} ({\sin} x)}$ 의 값은?

• ①$\displaystyle - \frac{\pi} {2}$
• ②$\displaystyle - \frac{\pi} {4}$
• ③$0$
• ④$\displaystyle \frac{\pi} {4}$
• ⑤$\displaystyle \frac{\pi} {2}$