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A44<br />

Respuestas a ejercicios y evaluaciones impares<br />

59.<br />

a p y<br />

3 kp, 13 b 19.<br />

0 π<br />

x<br />

2<br />

_5<br />

61.<br />

63.<br />

p<br />

8 , 3p 8 , 5p 8 , 7p 8 , 9p 8 , 11p<br />

8 , 13p<br />

8 , 15p<br />

8<br />

p<br />

p<br />

65.<br />

2 , 7p 6 , 3p 2 , 11p<br />

9 , 2p 9 , 7p 9 , 8p 9 , 13p<br />

9 , 14p<br />

9<br />

6<br />

67. 0 69.<br />

kp p<br />

71.<br />

9 2kp<br />

3 , p 2 kp, 5p 9 2kp<br />

2<br />

3<br />

73. 0, 0.95 75. 1.92 77. 0.71<br />

79. 0.94721 o 89.05279 81. 44.95<br />

83. a) 34o. día 13 de febrero2, 308o. día (4 de noviembre)<br />

b) 275 días<br />

85. b) 1.047 60<br />

5<br />

21.<br />

PM cos 2 x 2 2 sen x 2 cos x 2 sen 2 x 2<br />

1 senA2 #<br />

2B x SM<br />

PM <br />

23. PM tan x tan p 4<br />

1 tan x tan p SM<br />

4<br />

25. a) b) Sí<br />

_3.14<br />

27. a) b) No<br />

_6.28<br />

2 sen x cos x<br />

sen x<br />

1.5<br />

_1.5<br />

4<br />

2 cos2 x 1<br />

cos x<br />

2 cos x 2 cos x 1<br />

cos x SM<br />

3.14<br />

6.28<br />

Capítulo 7 Repaso ■ página 571<br />

1. PM sen u a cos u<br />

sen u sen u<br />

cos u b cos u sen2 u<br />

cos u<br />

cos2 u sen 2 u<br />

SM<br />

cos u<br />

3. PM 11 sen 2 x2 csc x csc x<br />

csc x sen 2 x csc x csc x<br />

sen 2 1<br />

x<br />

sen x SM<br />

5.<br />

7. PM <br />

9. PM sen 2 x cos2 x<br />

sen 2 x cos2 x sen2 x<br />

cos 2 x cos2 x sen 2 x SM<br />

2 sen x cos x 2 sen x cos x<br />

11. PM <br />

2 sen x<br />

1 2 cos 2 x 1 2 cos 2 x 2 cos x SM<br />

13. PM 1 cos x 1<br />

sen x sen x cos x<br />

sen x SM<br />

15. PM 1 2 3cos11x y2 1x y22<br />

cos11x y2 1x y224<br />

17.<br />

PM cos2 x<br />

sen 2 x tan2 x<br />

sen 2 x cot2 x 1<br />

cos x<br />

1<br />

cos x11 sen x2 <br />

1 2 1cos 2y cos 2x2<br />

1 2 31 2 sen2 y 11 2 sen 2 x24<br />

1 2 12 sen2 x 2 sen 2 y2 SM<br />

cos 2 x SM<br />

cos x SM<br />

1<br />

cos x sen x<br />

cos x<br />

PM 1 sen x # 1 cos x 1 1 cos x<br />

cos x sen x<br />

cos x<br />

1 1<br />

cos x 1 SM<br />

29. a) 1.5<br />

2 sen 2 3x cos 6x 1<br />

_3.14<br />

_4<br />

_1.5<br />

p p 2p<br />

31. 0, p 33. 35. 37.<br />

3 , 4p<br />

3 , 5p<br />

6 , 5p<br />

6 3<br />

3<br />

p<br />

p<br />

39. 41.<br />

6 , p<br />

2 , 5p<br />

6 , 7p<br />

6 , 3p<br />

2 , 11p<br />

3 , 2p<br />

3 , 3p<br />

4 , 4p<br />

3 , 5p<br />

3 , 7p<br />

4<br />

6<br />

p<br />

43. 45. 1.18 47. a) 63.4 b) No c) 90<br />

6<br />

1<br />

49. 2 22 13 51. 12 1 53. 12/2<br />

12 13 110 1<br />

55. 12/2 57. 59. 2<br />

4<br />

9<br />

2<br />

61. 3 A 12 15B 63. 2A3 2 12B/6 65. p/3<br />

1<br />

67. 69. 2/ 121 71. 7 2<br />

9 73. x/ 21 x 2<br />

75. u 77. a) u tan 1 a 10 cos1 a x b) 286.4 pies<br />

3 b x b<br />

Capítulo 7 Evaluación ■ página 574<br />

1. a) PM sen u<br />

cos u sen u cos u sen2 u cos 2 u<br />

SM<br />

cos u<br />

b) PM <br />

tan x # 1 cos x tan x11 cos x2<br />

<br />

1 cos x 1 cos x 1 cos 2 x<br />

sen x<br />

cos<br />

<br />

x11 cos x2<br />

sen 2 1 # 1 cos x SM<br />

x sen x cos x<br />

3.14

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