RA:______ RA:______ RA:______ Quad:_____ Quad:_____ Quad:_____ 9. cos(150o) = _____ 10. sin() = _____ 11. tan(-210o) = _____ 12. cos() = _____ RA:______ RA:______ RA:______ RA:______ Quad:_____ Quad:_____ Quad:_____ 13. sec(120o) = _____ 14. sin() = 15. cot(-30o) = _____ 16. sec() = _____ RA:______ RA:______ RA:______ RA:______ Quad:_____ Quad:_____ Quad:_____ Quad:_____ 17. csc(90o) = 18. cos() = _____ 19. tan(-180o) = 20. csc() = _____ RA:______ RA:______ RA:______ RA:______ Quad:_____ Quad:_____ Quad:_____ Quad:_____ Part 2: Find each trig value and then simplify the following expressions 21. sec()tan() = 22. sin(-30o)cos(120o)= 23. = 24. cot()csc() = 25. sin()cos()tan() = 26. 1 sin(90o) = – Angle in Angle in sin cos Tan csc sec cot Ɵ Ɵ Ɵ Ɵ Ɵ Ɵ Degrees Radians 0 1 0 und 1 Und 1/2 2 1 1 1/2 2 1 0 und 1 Und 0 -1/2 - -2 - - -1 - -1
RA:______ Quad:_____ RA:______ Quad:_____ RA:______ Quad:_____ 9. cos(150o) = _____ RA:______ 10. sin() = _____ RA:______ Quad:_____ 11. tan(-210o) = _____ RA:______ Quad:_____ 12. cos() = _____ RA:______ Quad:_____ 13. sec(120o) = _____ RA:______ Quad:_____ 14. sin() = RA:______ Quad:_____ 15. cot(-30o) = _____ RA:______ Quad:_____ 16. sec() = _____ RA:______ Quad:_____ 17. csc(90o) = RA:______ Quad:_____ 18. cos() = _____ RA:______ Quad:_____ 19. tan(-180o) = RA:______ Quad:_____ 20. csc() = _____ RA:______ Quad:_____ Part 2: Find each trig value and then simplify the following expressions 21. sec()tan() = 22. sin(-30o)cos(120o)= 23. = 24. cot()csc() = 25. sin()cos()tan() = 26. 1 – sin(90o) = Angle in Degrees Angle in Radians sin Ɵ cos Ɵ Tan Ɵ csc Ɵ sec Ɵ cot Ɵ 0 1 0 und 1 Und 1/2 2 1 1 1/2 2 1 0 und 1 Und 0 -1/2 - -2 - - -1 - -1
DAY%2024-%20Unit%20Circle%20and%20Special%20Angles.docx