9 (a) (b) Use the chain rule to differentiate the following functions (i) y = cos5 (x) (ii) y = ln(cos(x)) Use the addition formulae to show that sin (x + 1) - sin (x-7)= 2cos (x)
9 (a) (b) Use the chain rule to differentiate the following functions (i) y = cos5 (x) (ii) y = ln(cos(x)) Use the addition formulae to show that sin (x + 1) - sin (x-7)= 2cos (x)
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
Help me answer both parts of this A-level calculus question:
![(a)
(b)
Use the chain rule to differentiate the following functions
(i)
y = cos5 (x)
(ii) y = ln(cos(x))
Use the addition formulae to show that
sin (x + 7) = sin(x - 1) = = 2cos (x)
2](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F273fa61a-9ae9-4a0d-a9cb-91fa6d5ee14f%2Ff8d86732-b665-4033-932d-6f22e9ba6c20%2Ffmakmm4_processed.jpeg&w=3840&q=75)
Transcribed Image Text:(a)
(b)
Use the chain rule to differentiate the following functions
(i)
y = cos5 (x)
(ii) y = ln(cos(x))
Use the addition formulae to show that
sin (x + 7) = sin(x - 1) = = 2cos (x)
2
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