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preface to fifteenth edition

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2.108 SECTION 2<br />

TABLE 2.24<br />

Integrals (Continued)<br />

Transcendental functions (continued)<br />

cos(m n)x cos(m n)x<br />

54. sin mx cos nx dx C<br />

2(m n) 2(m n)<br />

sin(m n)x sin(m n)x<br />

55. sin mx sin nx dx C<br />

2(m n) 2(m n)<br />

sin(m n)x sin(m n)x<br />

56. cos mx cos nx dx C<br />

2(m n) 2(m n)<br />

57. tan xdxln cos x C<br />

58. cot xdx ln sin x C<br />

dx x<br />

dx x<br />

59. ln tan C<br />

60. ln tan C<br />

sin x 2<br />

<br />

cos x 4 2<br />

dx x<br />

dx x<br />

61. tan C<br />

62. cot C<br />

1 cos x 2<br />

1 cos x 2<br />

dx<br />

63. sin x cos xdx<br />

1⁄2 sin2<br />

<br />

x C<br />

64. ln tan x C<br />

sin x cos x<br />

n1<br />

cos x sin x n 1<br />

65.* sinn<br />

xdx sinn2<br />

xdx<br />

n n<br />

n1<br />

sin x cos x n 1<br />

66.* cosn<br />

xdx cosn2<br />

xdx<br />

n n<br />

n1<br />

tan x<br />

67. tann<br />

xdx tann2<br />

xdx<br />

n 1<br />

n1<br />

cot x<br />

68. cotn<br />

xdx cotn2<br />

xdx<br />

n 1<br />

dx cos x n 2 dx<br />

69. <br />

n n1<br />

<br />

n2<br />

sin x (n 1) sin x n 1 sin x<br />

dx sin x n 2 dx<br />

70. <br />

n n1<br />

<br />

n2<br />

cos x (n 1) cos x n 1 cos x<br />

<br />

<br />

<br />

p q p q<br />

<br />

p1 q1<br />

<br />

q 1 q 1<br />

dx 2 a b<br />

1<br />

<br />

2 2<br />

p1 q1<br />

sin x cos x q 1<br />

p q p q2<br />

71.* sin x cos xdx sin x cos xdx<br />

p q p q<br />

p1 q1<br />

sin x cos p 1<br />

sin<br />

p2<br />

x cosq<br />

xdx<br />

<br />

<br />

p1 q1<br />

sin x cos x p q 2<br />

p q p2 q<br />

72.* sin x cos xdx sin x cos xdx<br />

p 1 p 1<br />

sin x cos x q p 2<br />

73.* sin<br />

p<br />

x cosq xdx sinp x cosq2<br />

xdx<br />

74. tan1 tan ⁄2x C, when a2 b2<br />

a b cos x pa b qa b<br />

<br />

1 b a cos x sin x b2 a2<br />

p<br />

ln C<br />

2 2<br />

p b a a b cos x<br />

[a2 b<br />

2]<br />

2 b a<br />

tanhtan<br />

1 1<br />

<br />

⁄2x<br />

C<br />

2 2<br />

pb a qb a<br />

<br />

cos xdx x a dx<br />

75. C<br />

a b cos x b b a b cos x<br />

<br />

*Ifn, p, orq is an odd number, substitute cos x z or sin x z

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