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College Algebra & Trigonometry, 2018a

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550 CHAPTER 11. THE LAW OF SINES THE LAW OF COSINES<br />

Section 9.5<br />

1. Amplitude=1, Vertical Shift=0 3. Amplitude=3, Vertical Shift=0<br />

Period=2π, Phase Shift=− π 2<br />

Period =2π, Phase Shift= π 2<br />

1<br />

3<br />

− π 2<br />

0<br />

π<br />

2<br />

π<br />

3π<br />

2<br />

0<br />

π<br />

2<br />

π<br />

3π<br />

2<br />

2π<br />

5π<br />

2<br />

−1<br />

−3<br />

5. Amplitude=1, Vertical Shift=+3 7. Amplitude=1, Vertical Shift=0<br />

Period=2π, Phase Shift= π 4<br />

Period =π, Phase Shift= π 2<br />

4<br />

1<br />

3<br />

π<br />

4<br />

3π<br />

4<br />

5π<br />

4<br />

7π<br />

4<br />

9π<br />

4<br />

1<br />

π<br />

2<br />

π<br />

3π<br />

2<br />

2π<br />

5π<br />

2<br />

2<br />

−1<br />

9. Amplitude=2, Vertical Shift=0 11. Amplitude= 1 3<br />

, Vertical Shift=0<br />

Period=4π, Phase Shift=−2π Period =π, Phase Shift=− π 8<br />

2<br />

1<br />

3<br />

−2π −π 0 π 2π<br />

0 −<br />

π<br />

8<br />

π<br />

8<br />

3π<br />

8<br />

5π<br />

8<br />

7π<br />

8<br />

−2<br />

− 1 3

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