do sulev tos 11. sin 405° 12. cos 420° 13. tan 405° 14. sin 390° 15. csc 450° 16. sec 540° 33т 19. cos 4 9 20. sin 4 9T 22. csc 17. cot 390° 18. sec 420° 21. tan (217) 177 23. sec 4 17m 24. cot 19 25. tan 6. 25m 26. sec 6. 动

Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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Topic Video
Question
13,19,25,31
Now Work PROBLEM 59
1. The domain of the function f(x)
5. The sine, cosine, cosecant, and secant functions have period
7. Multiple Choice Which of the following is not in the range
Period is 7
6.3 Assess Your Understanding
prepared? Answers are given at the end of these exercises. If you get a wrong answer, read the pages listed in red.
x + 1
is
2x + 1
(pp. 55-57)
, A function for which f(x)
of f is called a(n)
f(-x) for all x in the domain
function. (pp. 73–75)
3. True or False The function f(x) = Vx is even.
(pp. 73-75)
4. True or False The equationx² + 2x = (x + 1)² – 1 is an
identity. (p. A44)
Concepts and Vocabulary
the tangent and cotangent functions have period
8. Multiple Choice Which of the following functions is even?
(a) cosine
9. sin? 0 + cos² 0 =
( The domain of the tangent function is
(b) sine
(c) tangent
(d) cosecant
of the sine function?
3
(b)
2
10. True or False sec 0 =
sin 0
(a)
4
(c) -0.37
(d) -1
Skill Building
In Problems 11–26, use the fact that the trigonometric functions are periodic to find the exact value of each expression. Do not use a
calculator.
lo oulev brs
A 11. sin 405°
12. cos 420°
13. tan 405°
14. sin 390°
15. csc 450°
16. sec 540°
33т
19. cos
4
9T
22. csc
18. sec 420°
20. sin
21. tan (217)
17. cot 390°
17T
23. sec
4
17m
24. cot
4.
19TT
25. tan
6.
25
26. sec
6.
In Problems 27–34, name the quadrant in which the angle 0 lies.
cos 0 > 0e
30. cos 0 > 0, tan 0 > 0
29. sin 0 < 0, tan 0 < 0
27. sin 0 > 0,
cos 0 < 0
28. sin 0 < 0,
34. csc 0 > 0, cos 0 <0
sin 0 > 0
33. sec 0 < 0,
31. cos 0 > 0,
tan 0 < 0me32. cos 0 < 0, tan 0 > 0
ooionul
Transcribed Image Text:Now Work PROBLEM 59 1. The domain of the function f(x) 5. The sine, cosine, cosecant, and secant functions have period 7. Multiple Choice Which of the following is not in the range Period is 7 6.3 Assess Your Understanding prepared? Answers are given at the end of these exercises. If you get a wrong answer, read the pages listed in red. x + 1 is 2x + 1 (pp. 55-57) , A function for which f(x) of f is called a(n) f(-x) for all x in the domain function. (pp. 73–75) 3. True or False The function f(x) = Vx is even. (pp. 73-75) 4. True or False The equationx² + 2x = (x + 1)² – 1 is an identity. (p. A44) Concepts and Vocabulary the tangent and cotangent functions have period 8. Multiple Choice Which of the following functions is even? (a) cosine 9. sin? 0 + cos² 0 = ( The domain of the tangent function is (b) sine (c) tangent (d) cosecant of the sine function? 3 (b) 2 10. True or False sec 0 = sin 0 (a) 4 (c) -0.37 (d) -1 Skill Building In Problems 11–26, use the fact that the trigonometric functions are periodic to find the exact value of each expression. Do not use a calculator. lo oulev brs A 11. sin 405° 12. cos 420° 13. tan 405° 14. sin 390° 15. csc 450° 16. sec 540° 33т 19. cos 4 9T 22. csc 18. sec 420° 20. sin 21. tan (217) 17. cot 390° 17T 23. sec 4 17m 24. cot 4. 19TT 25. tan 6. 25 26. sec 6. In Problems 27–34, name the quadrant in which the angle 0 lies. cos 0 > 0e 30. cos 0 > 0, tan 0 > 0 29. sin 0 < 0, tan 0 < 0 27. sin 0 > 0, cos 0 < 0 28. sin 0 < 0, 34. csc 0 > 0, cos 0 <0 sin 0 > 0 33. sec 0 < 0, 31. cos 0 > 0, tan 0 < 0me32. cos 0 < 0, tan 0 > 0 ooionul
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