Answer
$x+\frac{\pi}{2}$.
Work Step by Step
The argument of a trigonometric function is the input to the function, which here is $x+\frac{\pi}{2}$.
Trigonometry 7th Edition
by McKeague, Charles P.; Turner, Mark D.
Published by
Cengage Learning
ISBN 10:
1111826854
ISBN 13:
978-1-11182-685-7
Chapter 3 - Section 3.3 - Definition III: Circular Functions - 3.3 Problem Set - Page 145: 67
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
