10 Nov 2021
Problem 43
Page 197
Section 3.3: Derivatives of Trigonometric Functions
Chapter 3: Differentiation Rules
Textbook ExpertVerified Tutor
10 Nov 2021
Given information
Given expression 
Step-by-step explanation
Step 1.
Evaluate the limit of the numerator and the limit of the denominator to
Observe that 
, since is of indeterminate form,
Use L'Hospital's Rule, states that the limit of a quotient of functions is equal to the limit of the quotient of their derivatives.
Therefore,
Single Variable Calculus: Early Transcendentals
4th Edition, 2018
Stewart
ISBN: 9781337687805
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