
a.
To find: the exact value of the given trigonometric function by using the given information.
a.

Answer to Problem 90RE
Explanation of Solution
Given:
The given information is
And the given trigonometric function is
Calculation:
As it is known that the given identity
As it is known that the given identity
Therefore,
Hence, the given trigonometric function is
b.
To find: the exact value of the given trigonometric function by using the given information.
b.

Answer to Problem 90RE
Explanation of Solution
Given:
The given information is
And the given trigonometric function is
Calculation:
As it is known that the given identity
Therefore,
Hence, the given trigonometric function is
c.
To find: the exact value of the given trigonometric function by using the given information.
c.

Answer to Problem 90RE
Explanation of Solution
Given:
The given information is
And the given trigonometric function is
Calculation:
As it is known that the given identity
Therefore,
Hence, the given trigonometric function is
d.
To find: the exact value of the given trigonometric function by using the given information.
d.

Answer to Problem 90RE
Explanation of Solution
Given:
The given information is
And the given trigonometric function is
Calculation:
As it is known that the given identity
As
And
Therefore,
Hence, the given trigonometric function is
e.
To find: the exact value of the given trigonometric function by using the given information.
e.

Answer to Problem 90RE
Explanation of Solution
Given:
The given information is
And the given trigonometric function is
Calculation:
As it is known that the given identity
Therefore,
Hence, the given trigonometric function is
f.
To find: the exact value of the given trigonometric function by using the given information.
f.

Answer to Problem 90RE
Explanation of Solution
Given:
The given information is
And the given trigonometric function is
Calculation:
As it is known that the given identity
Therefore,
Hence, the given trigonometric function is
g.
To find: the exact value of the given trigonometric function by using the given information.
g.

Answer to Problem 90RE
Explanation of Solution
Given:
The given information is
And the given trigonometric function is
Calculation:
As it is known that the given identity
Therefore,
Hence, the given trigonometric function is
h.
To find: the exact value of the given trigonometric function by using the given information.
h.

Answer to Problem 90RE
Explanation of Solution
Given:
The given information is
And the given trigonometric function is
Calculation:
As it is known that the given identity
Therefore,
Hence, the given trigonometric function is
Chapter 7 Solutions
Precalculus
Additional Math Textbook Solutions
Calculus: Early Transcendentals (2nd Edition)
University Calculus: Early Transcendentals (4th Edition)
Elementary Statistics (13th Edition)
Thinking Mathematically (6th Edition)
Pre-Algebra Student Edition
Elementary Statistics: Picturing the World (7th Edition)
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