Consider the curve yxsinx 0

Consider the curve

y=x+sinx , 0<=x<=2pi
(a) Compute the lengths of inscribed polygons with n = 1, 2, and 4 sides. (In other words, divide [0,2pi] up into 1,2, and 4 equal segments, and draw line segments between those values on the graph. Then compute the length of the polygonal curve you drew)

Length for n = 1:

Length for n = 2:

Length for n = 4:

(b) Use a calculator or a computer algebra system to find the length of the curve to four decimal places.

Length of curve =

Solution

<p>dy/dx=1+cos x<br />so ds=sqrt[(1+(dy/dx)^2)*dx]<br />length=<img src="https://s3.amazonaws.com/answer-board-image/cramster-equation-2012521141386347320569838156799519.gif" alt="" align="absmiddle" /></p>
Consider the curve y=x+sinx , 0<=x<=2pi (a) Compute the lengths of inscribed polygons with n = 1, 2, and 4 sides. (In other words, divide [0,2pi] up into

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