MA159EvenAnsL38-39 - SECTION 6.5 32 4 7 11 2 38 5 2 3 2 3 2 5 2 42(a amp = 3 per = phase shift =/4 52 y = 3sin 2 x(b 2 44(a amp = 3 per = 1 phase

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SECTION 6.5 32. 38. 42. (a) amp = 3, per = π , phase shift = – π /4 52. (b) y = 3sin 2 x + π 2 44. (a) amp = 3, per = 1, phase shift = – 1/4 (b) y = 3sin 2 x + 2 46. I = 510 sin 12 t 52.(b) January 11 , (t = 9.75 10) 54. a = 5, b = π /12, c = – π , d = 15 SECTION 6.7 2. α = 45 0 , a = 35, c = 35 2 4. = 30 0 , a = 3 3 , b = 3 6. = 60 0 , β = 30 0 , b = 4 8. = 45 0 , = 45 0 , a = 7 10. = 25 0 40' , b 41.8, c 46.4 12. = 58 0 50' , b 843, c 985 14. 74 0 , 16 0 , c 32 16. 38
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MA159EvenAnsL38-39 - SECTION 6.5 32 4 7 11 2 38 5 2 3 2 3 2 5 2 42(a amp = 3 per = phase shift =/4 52 y = 3sin 2 x(b 2 44(a amp = 3 per = 1 phase

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