In the region \(0 < x \le 2\pi\), the equation \[\int_0^x \sin(\sin t)\, dt = 0\] has

no solution;

one solution;

two solutions;

three solutions.

In the region \(0 < x \le 2\pi\), the equation \[\int_0^x \sin(\sin t)\, dt = 0\] has

no solution;

one solution;

two solutions;

three solutions.