Where are the functions f1(x)=|sin(x)| and f2(x) = sin(|x|) differentiable? Use n as an arbitrary integer constant.)

Question

f1(x) = |sin(x)| is differentiable for all x ≠______________

f2(x) = sin(|x|) is differentiable for all x ≠______________
No one has answered

Answer 1

f1(x) is not at n*pie
f2(x) is not at 0