5.4.16 Z sec t(sec t + tan t) dt = tan t + sec t + C 5.4.17 Z 5.4.16 Z 5.4.32 Z 4 (1 + tan2 α) dα = tan α sin 2x dx = sin x √ 1 Z 2 cos x dx = 2 sin x 4 y−y 1 dy = −2y 2 − ln y = 1 − ln 4 2 y 1 5.4.38 Z π/3 0 sin θ + sin θ tan2 θ dθ = sec2 θ Z 10 Z 5.4.40 Z 5.4.41 √ Z 3/2 0 1 √ dr = 1 − r2 Z π/3 0 π/3 1 = sin θ dθ = − cos θ 2 0 10 10 2ex = 40 dx = 2x x e −10 0 2ex dx = sinh x + cosh x −10 π/3 −10 1 d sin θ = | cos θ| Z π/3 dθ = 0 π 3 5.4.45 Z 2 2 Z (x − 2|x|) dx = Z −1 5.4.49 Z area = 0 Z 0 4 3x dx = −1 0 5.4.63 0 −x dx + 2 2 0 3 2 7 −x2 + =− x 2 0 2 −1 2 2 4 1 3 (2y − y ) dy = (y − y ) = 3 3 0 2 2 4 4 3 32 2 2 9 + 2 x dx = (9x + x ) = 36 + = 46 3 3 3 0 √ 1