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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Question
![**Question:** What is the definition of sec(x)?
**Explanation:**
The function \( \sec(x) \) is the secant of \( x \) in trigonometry and is defined as the reciprocal of the cosine function. Mathematically, it is expressed as:
\[
\sec(x) = \frac{1}{\cos(x)}
\]
The secant function is crucial in trigonometry and often used in calculus, physics, and engineering to analyze periodic phenomena and waves.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6fbd7410-4675-4c3d-a33c-4a9b963acc3e%2F6da94cf4-5213-4197-8ca6-4183d39684bd%2Fggle1kp_processed.png&w=3840&q=75)
Transcribed Image Text:**Question:** What is the definition of sec(x)?
**Explanation:**
The function \( \sec(x) \) is the secant of \( x \) in trigonometry and is defined as the reciprocal of the cosine function. Mathematically, it is expressed as:
\[
\sec(x) = \frac{1}{\cos(x)}
\]
The secant function is crucial in trigonometry and often used in calculus, physics, and engineering to analyze periodic phenomena and waves.
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