Let g(x) = sin(x). Use Addition or Subtraction Formulas to show the following. g(x + h) − g(x) = (sin(h)) cos(x) – sin(x)(- 4 g(x + h) − g(x) h = sin(x + h) - sinch) h · cos(h) + cos(x) sin(h) - sin(x) h 1 = cos(h)) h sin(x) (1 cos(h)) 1 (sin(h)) cos(x) - sin(x)(¹ = cos(h))

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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Let g(x) = sin(x). Use Addition or Subtraction Formulas to show the following.
g(x + h) − g(x) = (sin(h)) cos(x) – sin(x)(¹ − cos(h))
-
h
g(x + h) − g(x)
h
=
sin(x + h)
sin (h)
h
cos(h) + cos(x) sin(h) - sin(x)
h
h
· sin(x)(1 − cos(h))
-
sin(h) cos(x) = sin(x)(¹-co
cos(h))
Transcribed Image Text:Let g(x) = sin(x). Use Addition or Subtraction Formulas to show the following. g(x + h) − g(x) = (sin(h)) cos(x) – sin(x)(¹ − cos(h)) - h g(x + h) − g(x) h = sin(x + h) sin (h) h cos(h) + cos(x) sin(h) - sin(x) h h · sin(x)(1 − cos(h)) - sin(h) cos(x) = sin(x)(¹-co cos(h))
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