Integration by Trigonometric Substitution Evaluate using Trigonometric Substitution * 2 points 2x - 1 dx x2 - 6x + 18 2 In Vx - 6x + 18 arctan (2 -3) +0 3 2In vx3 - 6x + 18 + 5arctan (x - 3) + C O A O B 2 In Vx - 6r + 18 Vx - 6x + 18 2 + arctan (2-3 ) + c 2 In + arctan ( 2 -3 ) + c O C O D\fIntegration by Algebraic Substitution Multiple Choice Evaluate: * 1 point cos x sin'xdx V1 + sin x "(1 + sinz)* - 2(1 + sina)# + 2(1 + sinz)# + C =( + sinz)+ + 2(1 + sina)# + 2(1 + sina)+ + C O A O B "(1 + sinz) # + 4 (1 + sina)+ + 2(1 + sina)+ + c " ( + sinz)# - 4 (1 + sina)+ + 2(1 + sina)+ + c O c O D\fEvaluate using appropriate algebraic substitution. * 2 paints f (mt wads: 4w% 3 5 1 s 1 5 3 s _ F__E 0 _F__E 0 109: 33 + 33 mm + CH GB 1 3 3 1 m%+m%+0 m%+m%+0