(Solved): (a) arccos(cos 2) Hint: How do we define arccos? What are the domain and the range of arccos? Let \ ...

(a) arccos(cos 2) Hint: How do we define arccos? What are the domain and the range of arccos? Let \( x=\arccos (\cos 2) \). We are looking for \( x \) such that \( \cos x=\cos 2 \) and \( x \) is in the range of arccos. (b) \( \arctan (\tan 2) \) (c) \( \arcsin (\sin 2) \)