Find the length of the curve r=7cosefor 0<0<. 21 a. 4 21s b. 4 C. d. 21 一4

Find the points on the curve r =1– sin0 where the tangent line is horizontal or vertical.

Find the length of the arc of this curve and Sketch the curve y cu. = x sq.  from ( -1,1 ) and ( 8,4 )

Use Newton's method to find the x coordinate of the point where the curve y = x° – x crosses the horizontal line y = 1 correct to eight decimal places.