Concept explainers
a.
Find the quadrant for the given angle.
a.
Answer to Problem 26E
The given angle lies in the third quadrant.
Explanation of Solution
Given:
The given angle is
Calculation:
An angle is determined by rotating a ray (half-line) about its endpoint. The starting position of the ray is the initial side of the angle, and the position after rotation is the terminal side. In standard position, counterclockwise rotation of ray represents the positive angle and clockwise represents negative angle.
The quadrants contain angles.
Thefirstquadrant
Thesecond quadrant,
Thethird quadrant,
Thefourth quadrant,
For the given angle,
Hence the given angle lies in the third quadrant.
b.
Find the quadrant for the given angle.
b.
Answer to Problem 26E
The given angle lies in the fourth quadrant.
Explanation of Solution
Given:
The given angle is
Calculation:
An angle is determined by rotating a ray (half-line) about its endpoint. The starting position of the ray is the initial side of the angle, and the position after rotation is the terminal side. In standard position, counterclockwise rotation of ray represents the positive angle and clockwise represents negative angle.
The quadrants contain angles.
The firstquadrant
The second quadrant,
The third quadrant,
Thefourth quadrant,
For the given angle,
Hence the given angle lies in the fourth quadrant.
Chapter 4 Solutions
EBK PRECALCULUS W/LIMITS
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- Calculus: Early TranscendentalsCalculusISBN:9781319050740Author:Jon Rogawski, Colin Adams, Robert FranzosaPublisher:W. H. FreemanCalculus: Early Transcendental FunctionsCalculusISBN:9781337552516Author:Ron Larson, Bruce H. EdwardsPublisher:Cengage Learning