
Concept explainers
Write the names of the Trigonometric functions which are undefined when x = 0

Answer to Problem 6E
Tangent and Secant
Explanation of Solution
Given:
Concept Used:
In mathematics, the term undefined is often used to refer to an expression which is not assigned an interpretation or a value (such as an indeterminate form, which has the propensity of assuming different values).
Calculation:
Any number divided by zero is always undefined; it is because we cannot find the value of the division.
In Trigonometry,
The tangent, and secant functions are the reciprocals of the cotangent, and cosine functions are undefined when x = 0.
Thus, the tangent, and secant functions are undefined when x = 0
Chapter 4 Solutions
Precalculus with Limits: A Graphing Approach
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