Figure 1 Figure 7 Figure 2 Figure 4 Figure 1 Figure 7 Figure

Figure 1

Figure 7

Figure 2

Figure 4

Solution

From the given parametric form of the curve we observe that

x=sint, y=-cost , which implies that x^2+y^2=1

which represents a part of the unit circle that depends on the parameter \'t\'.

If 0 t 2 (pi), then it is a complete unit circle.