College Algebra & Trigonometry, 2018a

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9.1. TRIGONOMETRIC FUNCTIONS OF NON-ACUTE ANGLES 393 In the problems in this section, the reciprocal functions secant, cosecant and cotangent are used. Remember that: sec θ = 1 cos θ = hyp adj csc θ = 1 sin θ = hyp opp cot θ = 1 tan θ = adj opp Exercises 9.1 Determine the quadrant in which the angle θ lies. 1. cos θ>0, tan θ>0 2. sin θ0 3. sec θ>0, tan θ0, cos θ0, cos θ0, cot θ>0 7. sin θ
394 CHAPTER 9. GRAPHING THE TRIGONOMETRIC FUNCTIONS Find sin θ, cos θ and tan θ in each problem. 24. sin θ =− 12 13 , θ in Quadrant IV 25. cos θ =−4 5 , θ in Quadrant II 26. cos θ = 1 4 , θ in Quadrant I 27. tan θ =3 2 , θ in Quadrant III 28. tan θ =− 4 5 , θ in Quadrant II 29. sin θ =3 8 , θ in Quadrant II 30. sin θ =− 1 3 , θ in Quadrant III 31. tan θ =5,θin Quadrant I 32. sec θ = −2, tan θ0
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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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20 CHAPTER 1. ALGEBRA REVIEW (3x ?)
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30 CHAPTER 1. ALGEBRA REVIEW Then,
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40 CHAPTER 1. ALGEBRA REVIEW devise
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86 CHAPTER 1. ALGEBRA REVIEW 40) A
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88 CHAPTER 2. POLYNOMIAL AND RATION
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100 CHAPTER 2. POLYNOMIAL AND RATIO
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140 CHAPTER 3. EXPONENTS AND LOGARI
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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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206 CHAPTER 4. FUNCTIONS So the gra
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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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216 CHAPTER 4. FUNCTIONS 6) f(x) 7)
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218 CHAPTER 4. FUNCTIONS Being fami
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222 CHAPTER 4. FUNCTIONS 4.6 Piecew
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226 CHAPTER 4. FUNCTIONS 4.7 Compos
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238 CHAPTER 4. FUNCTIONS 2) The gra
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242 CHAPTER 4. FUNCTIONS 8) A recta
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248 CHAPTER 4. FUNCTIONS Distance O
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250 CHAPTER 4. FUNCTIONS The graph
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252 CHAPTER 4. FUNCTIONS Distance/T
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254 CHAPTER 4. FUNCTIONS The graph
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256 CHAPTER 4. FUNCTIONS 3) A power
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258 CHAPTER 5. CONIC SECTIONS - CIR
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288 CHAPTER 6. SEQUENCES AND SERIES
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444 CHAPTER 10. TRIGONOMETRIC IDENT
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College Algebra & Trigonometry, 2018a

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