12 1 013· 10) Find the reference angle for: 90 In Quadrant III, Take (given angle- 180) a) 255° 255 180 4 20 360 %3D 270 90° b) 275° In Quadrant IV, take (180 - given angle) 275 180 360 %3D 270
12 1 013· 10) Find the reference angle for: 90 In Quadrant III, Take (given angle- 180) a) 255° 255 180 4 20 360 %3D 270 90° b) 275° In Quadrant IV, take (180 - given angle) 275 180 360 %3D 270
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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10) Find the reference angle for:
In Quadrant III, Take (given angle -180°)
a) 255°
255
T 4 360°
180
%3D
270°
90
b) 275°
In Quadrant IV, take (180° - given angle)
275°
180°
O 360
270°
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