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College Algebra & Trigonometry, 2018a

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424 CHAPTER 9. GRAPHING THE TRIGONOMETRIC FUNCTIONS<br />

1<br />

1<br />

−1<br />

0<br />

π<br />

2<br />

π<br />

3π<br />

2<br />

2π<br />

− π 4<br />

π<br />

4<br />

3π<br />

4<br />

5π<br />

4<br />

7π<br />

4<br />

E.<br />

−2<br />

F.<br />

−1<br />

1<br />

1<br />

π<br />

4<br />

3π<br />

4<br />

5π<br />

4<br />

7π<br />

4<br />

9π<br />

4<br />

−1<br />

0<br />

π<br />

2<br />

π<br />

3π<br />

2<br />

2π<br />

G.<br />

−1<br />

H.<br />

−2<br />

Sketch at least one period for each function. Be sure to include the important<br />

values along the x and y axes.<br />

9. y = sin(x+ π 6 ) 10. y =cos(x−π 6 )<br />

11. y =cos(x− π 3 ) 12. y = sin(x+π 3 )<br />

13. y = sin(x− 3π 4 ) 14. y =cos(x+3π 4 )<br />

15. y =cos(x+ 2π 3 ) 16. y = sin(x−2π 3 )

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