Level:
Project ID:
9000033807
Source Problem:
Accepted:
1
Clonable:
1
Easy:
1
In the following list identify a true statement about the function
\(f(x) =\cos x\) on the
interval \(I = \left (-\frac{\pi }{2}; \frac{\pi } {2}\right )\).
The function \(f\) has a unique maximum and no minimum on \(I\).
The function \(f\) does not have
a minimum or maximum on \(I\).
The function \(f\) has a unique maximum and a unique minimum on \(I\).
The function \(f\) has a unique minimum and no maximum on \(I\).