Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Answer with detailed understanding please
![The equation shown is:
\[
\cos(3x) = \frac{\sqrt{2}}{2}
\]
In this equation, the cosine function of \(3x\) is equal to the square root of 2 divided by 2. This is a common value in trigonometry, corresponding to an angle of 45 degrees (or \(\pi/4\) radians), among other solutions in the unit circle where the cosine value is positive and equals \(\frac{\sqrt{2}}{2}\).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F63d16113-ff39-4f92-89f8-61ce82bfb495%2Fcdd2ff7e-3ac4-4273-ae4a-a75503f91ef3%2F4acvcgo_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The equation shown is:
\[
\cos(3x) = \frac{\sqrt{2}}{2}
\]
In this equation, the cosine function of \(3x\) is equal to the square root of 2 divided by 2. This is a common value in trigonometry, corresponding to an angle of 45 degrees (or \(\pi/4\) radians), among other solutions in the unit circle where the cosine value is positive and equals \(\frac{\sqrt{2}}{2}\).
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