College Algebra & Trigonometry, 2018a

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11.4. APPLICATIONS 545 Section 9.1 1. Quadrant I 3. Quadrant IV 5. Quadrant II 7. Quadrant III 9. Quadrant III 11. Quadrant II Reference Angle: 15 ◦ Reference Angle: 60 ◦ 13. Quadrant II 15. Quadrant III Reference Angle: 45 ◦ Reference Angle: 80 ◦ 17. Quadrant IV 19. Quadrant III Reference Angle: 45 ◦ Reference Angle: π 3 21. Quadrant II 23. Quadrant IV Reference Angle: π 4 Reference Angle: π 6 25. sin θ = 3 5 tan θ = − 3 4 27. sin θ = −3 √ 13 29. cos θ =− √ 55 8 cos θ =− 2 √ 13 tan θ =− 3 √ 55 31. sin θ = 5 √ 26 33. sin θ =− 1 2 cos θ = 1 √ 26 cos θ =− √ 3 2 35. sin θ = 1 √ 2 cos θ = 1 √ 2 tan θ = 1 √ 3 tan θ =1 37. sin θ = − √ 3 2 cos θ = 1 2 39. cos θ =− √ 5 3 tan θ = 2 √ 5 tan θ = √ 3
546 CHAPTER 11. THE LAW OF SINES THE LAW OF COSINES Section 9.2 1. Amplitude=1, Period= π 2 3. Amplitude=3, Period = 2π 3 3 1 0 π 8 −1 π 4 3π 8 π 2 0 π 6 π 3 π 2 2π 3 −3 5. Amplitude=4, Period=4π 7. Amplitude= 1 2 , Period =3π 4 0.5 0 π 2π 3π 4π 0 −0.5 3π 4 3π 2 9π 4 3π −4 9. Amplitude=4, Period= π 3 4 11. Amplitude=2, Period = 4π 3 2 0 π 12 π 6 π 4 π 3 0 π 3 2π 3 π 4π 3 −4 −2
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College Algebra & Trigonometry
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c○2018 Richard W. Beveridge This
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4 CONTENTS 2.4 Solution of Rational
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6 CONTENTS 8.2 The Trigonometric Ra
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8 CONTENTS
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10 CHAPTER 1. ALGEBRA REVIEW Exampl
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12 CHAPTER 1. ALGEBRA REVIEW 2(x +3
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30 CHAPTER 1. ALGEBRA REVIEW Then,
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40 CHAPTER 1. ALGEBRA REVIEW devise
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88 CHAPTER 2. POLYNOMIAL AND RATION
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100 CHAPTER 2. POLYNOMIAL AND RATIO
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190 CHAPTER 4. FUNCTIONS by substit
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192 CHAPTER 4. FUNCTIONS 4.2 Domain
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194 CHAPTER 4. FUNCTIONS Exercises
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196 CHAPTER 4. FUNCTIONS 8) 12 10 8
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198 CHAPTER 4. FUNCTIONS We can use
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200 CHAPTER 4. FUNCTIONS 3) 20 16 1
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202 CHAPTER 4. FUNCTIONS Vertical S
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204 CHAPTER 4. FUNCTIONS Now, if, i
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208 CHAPTER 4. FUNCTIONS Stretching
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210 CHAPTER 4. FUNCTIONS Multiplyin
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214 CHAPTER 4. FUNCTIONS 3) Match e
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242 CHAPTER 4. FUNCTIONS 8) A recta
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258 CHAPTER 5. CONIC SECTIONS - CIR
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288 CHAPTER 6. SEQUENCES AND SERIES
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College Algebra & Trigonometry, 2018a

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