6. 20 0 5. on 10.2 : Find the exact length of the curve x= 3t, y=zt, of t = z 7. 15pts, ch 10.3: Plot the Point whose polar coordinates are given . Be sure to label a ) - 2 (40" : 5 ) 3 - 120 0 c ) - 3 1 - 240 8. 10 pts: ch 10.3 : Plot the point whose cartesian coordmates are given and Find The and find the polar coordinates Q ) ( - 2 , 1 ) 5 ) ( - 5 3 , 1 ) 9. 30 points : Fill in the chort and sketch the graph of r as a functions of r= - 2 +sint . let sin 60 and its equivalent angles = . 9