Let \[T=\left( \int _{-\pi/2}^{\pi/2}\cos x\,dx\right)\times \left(\int_\pi ^{2\pi} \sin x\,dx\right) \times \left(\int_0^{\pi/8}\frac{dx}{\cos 3x}\right).\] Which of the following is true?

\(T=0\);

\(T<0\);

\(T>0\);

\(T\) is not defined.

Let \[T=\left( \int _{-\pi/2}^{\pi/2}\cos x\,dx\right)\times \left(\int_\pi ^{2\pi} \sin x\,dx\right) \times \left(\int_0^{\pi/8}\frac{dx}{\cos 3x}\right).\] Which of the following is true?

\(T=0\);

\(T<0\);

\(T>0\);

\(T\) is not defined.