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6.2E: Graphs of the Other Trigonometric Functions (Exercises)

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Section 6.2 Exercises

Match each trigonometric function with one of the graphs.

1. f(x)=tan(x)

2. f(x)=sec(x)

3. f(x)=csc(x)

4. f(x)=cot(x)

I 屏幕快照 2019-07-09 上午4.10.09.png II屏幕快照 2019-07-09 上午4.10.28.png

III 屏幕快照 2019-07-09 上午4.10.47.png IV屏幕快照 2019-07-09 上午4.11.08.png

Find the period and horizontal shift of each of the following functions.

5. f(x)=2tan(4x32)

6. g(x)=3tan(6x+42)

7. h(x)=2sec(π4(x+1))

8. k(x)=3sec(2(x+π2)) 

9. m(x)=6csc(π3x+π)

10. n(x)=4csc(5π3x20π3)

11. Sketch a graph of #7 above.

12. Sketch a graph of #8 above.

13. Sketch a graph of #9 above.

14. Sketch a graph of #10 above.

15. Sketch a graph of j(x)=tan(π2x).

16. Sketch a graph of p(t)=2tan(tπ2).

Find a formula for each function graphed below.

17. 屏幕快照 2019-07-09 上午4.12.29.png18. 屏幕快照 2019-07-09 上午4.14.13.png

19. 屏幕快照 2019-07-09 上午4.14.33.png20. 屏幕快照 2019-07-09 上午4.14.56.png

21. If tanx=1.5, find tan(x).

22. If tanx=3, find tan(x).

23. If secx=2, find sec(x).

24. If secx=4, find sec(x).

25. If cscx=5, find csc(x).

26. If cscx=2, find csc(x).

Simplify each of the following expressions completely.

27. cot(x)cos(x)+sin(x)

28. cos(x)+tan(x)sin(x)

Answer

1. II

3. I

5. Period: π4. Horizontal shift: 8 right

7. Period: 8. Horizontal shift: 1 left

9. Period: 6. Horizontal shift: 3 left

11. Screen Shot 2019-10-11 at 1.59.39 PM.png

13. Screen Shot 2019-10-11 at 2.00.14 PM.png

15. Screen Shot 2019-10-11 at 2.01.07 PM.png

17. f(x)=2sec(π2x)1

19. f(x)=2csc(π4x)+1

21. tan(x)=1.5

23. sec(x)=2

25. csc(x)=5

27. csc(x)


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