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10. What is the value of sec 60°? A. 2 B. - 2 C. - 1 D. 1

10. What is the value of sec 60°? A. 2 B. - 2 C. - 1 D. 1

Trigonometry (MindTap Course List)
Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter8: Complex Numbers And Polarcoordinates
Section8.4: Roots Of A Complex Number
Problem 42PS
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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
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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