Isn't symmetry beautiful?
Calculus
Level
2
\[\displaystyle\int_{-2014}^{2014}\begin{matrix}\color{white}{\mbox{~}}\\\color{white}{}\\\underbrace{\sin(\sin(\sin(\ldots\sin(\sin x)\ldots)))}\\\mbox{2014 times}\end{matrix} dx = \ ? \]
Give your answer to 3 decimal places.
by
Kenny Lau