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In Problems 43–54, write each expression in the standard form a + bi. 43. [4(cos 40° + i sin 40°) ]³ 44. [3(cos 80° + i sin 80°) ]³ 45. + i sin cos 5m 46. + i sin 47. [V3 (cos 10 + i sin 10°) ]° 48. (cos 72° + i sin 72°) cos 16 16 SECTION 9.3 The Complex Plane; De Moivre's Theorem 595 37 49. V5 + i sin 18 18 51. (1 - i)s cos + i sin 50. cos 16 16 52. (V3 - i)° 53. (V2 - i)° 54. (1 – V5i)* N-IN

In Problems 43–54, write each expression in the standard form a + bi. 43. [4(cos 40° + i sin 40°) ]³ 44. [3(cos 80° + i sin 80°) ]³ 45. + i sin cos 5m 46. + i sin 47. [V3 (cos 10 + i sin 10°) ]° 48. (cos 72° + i sin 72°) cos 16 16 SECTION 9.3 The Complex Plane; De Moivre's Theorem 595 37 49. V5 + i sin 18 18 51. (1 - i)s cos + i sin 50. cos 16 16 52. (V3 - i)° 53. (V2 - i)° 54. (1 – V5i)* N-IN

Calculus: Early Transcendentals
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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In Problems 43–54, write each expression in the standard form a + bi.

In Problems 43–54, write each expression in the standard form a + bi. 43. [4(cos 40° + i sin 40°) ]³ 44. [3(cos 80° + i sin 80°) ]³ 45. + i sin cos 5m 46. + i sin 47. [V3 (cos 10 + i sin 10°) ]° 48. (cos 72° + i sin 72°) cos 16 16 SECTION 9.3 The Complex Plane; De Moivre's Theorem 595 37 49. V5 + i sin 18 18 51. (1 - i)s cos + i sin 50. cos 16 16 52. (V3 - i)° 53. (V2 - i)° 54. (1 – V5i)* N-IN
Transcribed Image Text:In Problems 43–54, write each expression in the standard form a + bi. 43. [4(cos 40° + i sin 40°) ]³ 44. [3(cos 80° + i sin 80°) ]³ 45. + i sin cos 5m 46. + i sin 47. [V3 (cos 10 + i sin 10°) ]° 48. (cos 72° + i sin 72°) cos 16 16 SECTION 9.3 The Complex Plane; De Moivre's Theorem 595 37 49. V5 + i sin 18 18 51. (1 - i)s cos + i sin 50. cos 16 16 52. (V3 - i)° 53. (V2 - i)° 54. (1 – V5i)* N-IN
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