Name ALGEBRA 2
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7-3 Additional Practice
Trigonometric Functions and Real Numbers
Find the sine and cosine of each angle.
1. 90° 2. 135° 3. 270°
π
4. __ 3π
5. ___ 5π
6. ___
6 4 6
Find the coordinate of the terminal point for each angle.
2π
7. ___ π
8. __ 5π
9. ___
3 2 3
10. 315° 11. 210° 12. 240°
Solve.
−6
13. What is the sin θ if cos θ = ___ 10
and θ is in Quadrant II?
−16
14. What is the cos θ if the sin θ = ___ 20
and θ is in Quadrant III?
What is the tangent of each angle?
11π
15. ____ π
16. __ 5π
17. ___
6 4 3
18. −750° 19. 30° 20. 135°
Find the secant, cosecant, and cotangent for each angle.
π
21. __ π
22. __ 3π
23. ___
4 6 4
24. 330° 25. 120° 26. 240°
27. Alejandro said the cotangent of 180° is 0. Is he correct? Explain.
28. Alex is standing at the 2 o’clock position on a circle in the center of a soccer
field. He passes the ball to a player who is located at the 10 o’clock position.
The radii to the positions of the two players forms a central angle of the circle.
What are the degree and radian measures of the angle?
enVision® Florida Algebra 2 • Teaching Resources
