Question: Can someone help me with these problems? Question 1: Find the exact length of the curve. X = 9cos(t) cos(9t), y = 95in(t) 5in(9t}, D

 Can someone help me with these problems?Question 1: Find the exactlength of the curve. X = 9cos(t) cos(9t), y = 95in(t) 5in(9t},D s t 5 it E \fFind the exact area of thesurface obtained by rotating the given curve about the X-EIXiS. x=13, y=t2,ogrgl S Find the surface area generated by rotating the given curve

Can someone help me with these problems?

Question 1:

about the yaxis. X=3t2, y=2t3, osrs4 S Find the surface area generatedby rotating the given curve about the y-axis. x=e - t, y= 4e /2, Oct : 5image text in transcribedimage text in transcribed

Find the exact length of the curve. X = 9cos(t) cos(9t), y = 95in(t) 5in(9t}, D s t 5 it E \fFind the exact area of the surface obtained by rotating the given curve about the X-EIXiS. x=13, y=t2, ogrgl S Find the surface area generated by rotating the given curve about the yaxis. X=3t2, y=2t3, osrs4 S Find the surface area generated by rotating the given curve about the y-axis. x=e - t, y = 4e /2, Oct : 5

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