5 Level: 5 Level: AP4 x= (0-2005(0))cos = O COSCO) - 2 Cos Y = (0-2005 (0)) sing = Osin (0) - 2 cost sin b) Let r be the polar curved defined by r = 0-2 cos(e). On what open intervals, 002, is r decreasing? 5 (A) 2. Level: AP4 3 7 11 (B) (C) 2'2 6 6 (D) (0,77) and (117,27) 11 6 x = 0 (-sin 67 - 2 sin y = A cos & + 2 sinb - 2005 & sing Y 2 I r = 1+25 in (6) = 0 25 (6)=-1 sin): - The graph of the polar curve r = 1+ 2 sin (e) is shown in the figure above for 002. Let S be the shaded region in the inner loop of the polar curve as indicated above. Which of the following gives an expression for the area of region S? 7/6 1 (A) (1+2 sin (e)) de (B) (1+2sin(e)) de 2-7/6 2 ll/6 7/6 (1+2sin(0)) de (1+2sin()) d6 21cc 26. 210 36 24c. = 18 24 = 26 )) 6.3