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Trigonometry Worksheet 2.3 Chapter 2 Name___________________ Learning Target(s): find quadrant location of trig functions Suppose that the point (x, y) is in the indicated quadrant. Decide whether the given ratio is positive or negative. y x y 1. II, 2. III, 3. III, r r r 4. IV, x r 5. IV, x y 6. II, y x State the quadrant in which an angle in standard position with measure lies under the given conditions. 7. cos 0 and sin 0 8. cos 0 and tan 0 9. cos 0 and sin 0 10. tan 0 and sin 0 11. cos 0 and sin 0 12. tan 0 and cos 0 13. sec 0 and tan 0 14. csc 0 and sec 0 15. tan 0 and csc 0 16. cot 0 and sec 0 17. cot 0 and csc 0 18. cos 0 and cot 0 Sketch each angle in standard position. Find the measure two other angles (one positive, one negative) that are coterminal with the given angle. 19. 675o 20. 480o Simplify all roots and rationalize all answers. is the measure of an angle in standard position that lies in the given quadrant. Find the remaining five trigonometric ratios. 3 21. sin , Quadrant II 5 2 22. tan , Quadrant IV 3 csc sin csc cos sec cos sec tan cot cot The terminal side of an angle with measure in standard position passes through the given point. Sketch the reference triangle and find the six trigonometric ratios. 23. 1, 2 sin csc cos sec tan cot