Simple limit problem

[mobita]

\(\displaystyle \displaystyle{\lim_{x \rightarrow -1^{+}}}\, \dfrac{\pi\, -\, \arccos(x)}{x\, +\, 1}\)

 

[stapel]

\(\displaystyle \displaystyle{\lim_{x \rightarrow -1^{+}}}\, \dfrac{\pi\, -\, \arccos(x)}{x\, +\, 1}\)

What have you tried? How far have you gotten? Where are you stuck?

Please be complete. Thank you!