Download Day 1 - Trig Ratio WS

CCGPS Geometry
2 - Right Triangle Trigonometry
2.1 – Homework
Name: _____________________________________ Date: ______________________
Find these trigonometric values to the nearest hundredth.
1. sin 65°________
2. cos 18°________
3. tan 35°________
4. cos 72°________
5. tan 10°________
6. cos 40°________
Find angle A to the nearest tenth.
7. cos A = 0.3420 _________
8. sin A = 0.5150 _________
9. tan A = 0.7536 _________
10. tan A = 11.4301 _________
11. cos A = 0.6428 _________
12. sin A = 0.9781 _________
Find angle A to the nearest degree.
13. tan A = 4.2274 _________
14. sin A = 0.5328 _________
15. cos A = 0.9740 _________
16. cos A = 0.5630 _________
17. tan A = 0.2947 _________
18. sin A = 0.7815 _________
Find the missing side length of the right triangle using the Pythagorean Theorem. Then,
state the three trig ratios for A (leave all answers in fraction form with 3 ratios for
each problem) and find angle A using one of those ratios.
18.
19.
20.