From the information given, find the quadrant in which the terminal point determined by $t$ lies. Input I, II, III, or IV.
(a) $\sin (t)<0$ and $\cos (t)<0$, quadrant ;
(b) $\sin (t)>0$ and $\cos (t)<0$, quadrant ;
(c) $\sin (t)>0$ and $\cos (t)>0$, quadrant ;
(d) $\sin (t)<0$ and $\cos (t)>0$, quadrant ;