10. What is the value of sec 60°? A. 2 B. - 2 C. - 1 D. 1
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°.
Related questions
Question
Subparts 10-12
![6. What is the value of cos 90°?
A.
B. - 1
C. 0
D. 1
7. What is the coordinate of sin 45°?
A.
B.
C. 2
D. – 12
2
8. What is the value of csc 30⁰?
A. 2
B. - 2
C. -1
D. 1
9. What is the value of tan 45°?
A. 2/2
B. - 1
C. 0
D. 1
10. What is the value of sec 60°?
A. 2
B. - 2
C. - 1
D. 1
11. Triangle ABC is a 30° -60° - 90° A, If the length of AB is 16 cm, what is the length of
BC?
A. 32 cm
B. 16 cm
C. 8 cm
D. 4 cm
12. If AB =
9 cm, BC = 5 cm, and AC = 7 cm, what is cos B?
5
7
5
7
A.
c. 77
D.
9
5
13. If AB = 9 cm, BC = 5 cm, and AC = 7 cm, what is cos A?
5
7
5
7
A.
B.
C.
D.
For #14 - 15.
14. Find x.
A. 5
B. 4
C. 3
D. 2
15. Find b.
A. 5√5
B. 4√5
C. 3√5
D. 2√5
A
8
16. In the triangle PQR, what is the length of PQ?
A. 1 cm
B. 5 cm
13 cm
C. 9 cm
D. 12 cm
12 cm
17. In the triangle DEF, what is the mE to the nearest degree?
E
A. 16°
B. 28°
17
C. 41°
D. 62°
15
D
F
18. ABCD is a parallelogram. If AB is 8 cm long, BC is 5 cm and their included angle
measures 100°, how long is diagonal AC?
A. 12.95 cm
B. 12.59 cm
C. 10.40 cm
D. 10.14 cm
19. In right triangle PQR, PQ = 12 and QR = 5 cm, what is cos R?
12
5
5
12
A.
D.
B. 13
13
20. AXYZ is a non – right triangle. If XY measures 20 cm, XZ measures 15 cm and ZZ
measures 35° then what is the measure of ZY?
A. 25.84°
B. 24.85°
C. 25.48°
D. 24.58°
SIL
M
X
h
IN
T 2
H
-R](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5aa0cb5f-91bd-4427-a678-109504a8f387%2F0c254b7d-0da0-4053-be23-790fcec3a2e1%2Fjq23hoq_processed.jpeg&w=3840&q=75)
Transcribed Image Text:6. What is the value of cos 90°?
A.
B. - 1
C. 0
D. 1
7. What is the coordinate of sin 45°?
A.
B.
C. 2
D. – 12
2
8. What is the value of csc 30⁰?
A. 2
B. - 2
C. -1
D. 1
9. What is the value of tan 45°?
A. 2/2
B. - 1
C. 0
D. 1
10. What is the value of sec 60°?
A. 2
B. - 2
C. - 1
D. 1
11. Triangle ABC is a 30° -60° - 90° A, If the length of AB is 16 cm, what is the length of
BC?
A. 32 cm
B. 16 cm
C. 8 cm
D. 4 cm
12. If AB =
9 cm, BC = 5 cm, and AC = 7 cm, what is cos B?
5
7
5
7
A.
c. 77
D.
9
5
13. If AB = 9 cm, BC = 5 cm, and AC = 7 cm, what is cos A?
5
7
5
7
A.
B.
C.
D.
For #14 - 15.
14. Find x.
A. 5
B. 4
C. 3
D. 2
15. Find b.
A. 5√5
B. 4√5
C. 3√5
D. 2√5
A
8
16. In the triangle PQR, what is the length of PQ?
A. 1 cm
B. 5 cm
13 cm
C. 9 cm
D. 12 cm
12 cm
17. In the triangle DEF, what is the mE to the nearest degree?
E
A. 16°
B. 28°
17
C. 41°
D. 62°
15
D
F
18. ABCD is a parallelogram. If AB is 8 cm long, BC is 5 cm and their included angle
measures 100°, how long is diagonal AC?
A. 12.95 cm
B. 12.59 cm
C. 10.40 cm
D. 10.14 cm
19. In right triangle PQR, PQ = 12 and QR = 5 cm, what is cos R?
12
5
5
12
A.
D.
B. 13
13
20. AXYZ is a non – right triangle. If XY measures 20 cm, XZ measures 15 cm and ZZ
measures 35° then what is the measure of ZY?
A. 25.84°
B. 24.85°
C. 25.48°
D. 24.58°
SIL
M
X
h
IN
T 2
H
-R
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