Concept explainers
(a)
To find: The value of given function.
(a)
Answer to Problem 31WE
The value of the given function is
Explanation of Solution
Given:
The value
The given function is,
The angle
Calculation:
Consider the given function is,
Consider the value of
The angle
Consider the value of
The angle
Expand the above function as,
(b)
To find: The value of given function.
(b)
Answer to Problem 31WE
The value of the given function is
Explanation of Solution
Given:
The value
The given function is,
The angle
Calculation:
Consider the given function is,
Then,
(c)
To find: The find the quadrant of
(c)
Answer to Problem 31WE
The angle
Explanation of Solution
Consider the given equation is,
Consider the given equation is,
Then, the value of
Thus, the angle
Chapter 13 Solutions
Algebra and Trigonometry: Structure and Method, Book 2
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