9 and 10 please. Find the length of the curve for both.

integrat d x 9) x = 3 sin t + 3t, y = 3cost, 0 stunt 10) x = 3 sin t - 3t cost, y = 3cost + 3t sin t, - 3 cost +3 =-3 5int Osts 82120 SHIP = RIP - X (IF Cina = x (ST 3 cost + 3 ) + ( - 3 sint ) 2