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Practice 1. Find the reference angle for each given angle. a) -45° b) 150° c) 300 d) 225°

Practice 1. Find the reference angle for each given angle. a) -45° b) 150° c) 300 d) 225°

Trigonometry (11th Edition)
Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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Intro to College Math Reference Angles in DEGREES Name: Chart of Positive Values Rules for Finding Reference Angles Identify who is positive in each quadrant. Reference Angles are always off of the x-axis. II Il II IV II IV Practice 1. Find the reference angle for each given angle. b) 150° a) -45° d) 225° c) 300°
Transcribed Image Text:Intro to College Math Reference Angles in DEGREES Name: Chart of Positive Values Rules for Finding Reference Angles Identify who is positive in each quadrant. Reference Angles are always off of the x-axis. II Il II IV II IV Practice 1. Find the reference angle for each given angle. b) 150° a) -45° d) 225° c) 300°
e) 135° f) 240° g) 120° h) 330° i) 210° j) 315° 2. First-Rewrite each as a function of a reference angle (watch the signs). Second- Find the exact value for each by using the reference angle, chart of positive values, and the exact value table. a) sin (135°) b) tan (-45°) c) cos (150 °) d) sin (240°) e) cos (315°) f) tan (300°) g) sin (750°) h) cos (225°) 3. Do the same as above. b) tan (135°) a) sin (120°)
Transcribed Image Text:e) 135° f) 240° g) 120° h) 330° i) 210° j) 315° 2. First-Rewrite each as a function of a reference angle (watch the signs). Second- Find the exact value for each by using the reference angle, chart of positive values, and the exact value table. a) sin (135°) b) tan (-45°) c) cos (150 °) d) sin (240°) e) cos (315°) f) tan (300°) g) sin (750°) h) cos (225°) 3. Do the same as above. b) tan (135°) a) sin (120°)
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