Plotting
itbpF50.75pt21.75pt6ptex3.wmfPlot
x
2
itbpF50.75pt21.75pt6ptex3.wmfPlot
sin
2
t
itbpF50.75pt21.75pt6ptex3.wmfPlot
x
2
y
3
itbpF50.75pt21.75pt6ptex3.wmfPlot
Plot these expressions