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...
Related questions
Question
Transcribed Image Text:T
Find the derivative of f(x) = 2 cos (x) +9 sin (x) at the point a
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2
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Expert Solution
Step 1
Given that
f(x) = 2 cos(x)+ 9sin(x)
Here we have to find the derivative of f(x) at the point x= π/2 .
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Solved in 3 steps with 1 images
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