University:
South Plains College
Course:
MATH 1332 | Contemporary Mathematics
Academic year:

2024
Views:

85

Pages:

3
Author:

Alexia V.

Name MATH 1332 Assignment 3.5 'MATH 0332/1332 Assignment 4.5 Right Triangle Trigonometry Use the figure shown to find the indicated trigonometric ratios. A 1. C Usea = 5, b = 12,and c = 13 to express the ratios as fractionsin lowest terms. a. b. tanB7 cos A = 12 13 2, Use a = 9, b = 12, and c = 15 to express the ratios as fractions in lowest terms. a. 3. b. sinB tan A terms. Use a= 16, b= 30, andc=34toexpress the ratios as fractions in lowest b. cosB a. sinA answers to the ten-thousandths Use your calculator to find the trigonometric values. Round your place. 4. sin 21° 5. cos 52.5° 6. tan 12.4° x.2194 .3584 angle measure. Find the angles of the trigonometric values in degrees. 0 represents the unknown Express each answer to the nearest tenth ofa degree. 7. sin = 0.3420 8. tan =2.356 07.0 9. cos = 0.4617 Behavior Find the measure ofeach angle indicated. Round dtothe nearest tenth. 11. 10. A 12 10 11.9 A 13 C 6 O22.6° SO.6 13. 12. A 15 in S in 5 4 C Round to the nearest tenth. Find the measure of each side indicated. 14. 15. 11 B A 60 I370 11 C C X =S.Suits A 17. 16. B x 41 40° A bcnits 26un.b Behavior Ar Bel trigonometric functions to solve the problems. Sse the Behe 18. Ajet takes off at a30° angle. If the runway (from takeoff) is 875 feet long, tind the altitude (to the nearest tenth of a foot) of the airplane as it flies over the end of the runway. Plane's altitude 30 S65.2fE Runway Takeoff point 875 19. A20-ft ladder is set against a building at a 70° angle to the ground as shown in the figure. How high up the wall does the HHHH! ladderer touch? Round to whole feet. 20 70 20. Find the measure of each missing angle and side of the nearest tenth. A 530 5m triangle. Round answers to the B meA: ST, AC 40n, 30