Posted by Erica on Monday, April 25, 2011 at 7:22am.
A particle moves along a path described by x=cos³t and y=sin³t. The distance that the particle travels along the path from t=0 to t=π/2 is...
Thank you!

Calc  Reiny, Monday, April 25, 2011 at 7:45am
if t=0
cos^3 0 = 1 , sin^3 0 = 0
thus position point is (1,0)
if t=π/2
cos^3 π/2 = 0 , sin^3 π/2 = 1
thus position point is (0,1)
Use your distance between 2 points formula to determine the distance between those two points
You should get √2

Calc  Anonymous, Wednesday, March 20, 2013 at 8:03pm
0.75
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