given the parametric eqns for a spiral
x=kt cos t
y=kt sin t
where k is a constant，t starts from 0
Could anyone give a function of 't' that calculates the length of the spiral.
thanks
l******n 发帖数: 9344
2
kt^2/2
spiral.
【在 z*****g 的大作中提到】 : given the parametric eqns for a spiral : x=kt cos t : y=kt sin t : where k is a constant，t starts from 0 : Could anyone give a function of 't' that calculates the length of the spiral. : thanks
