Verify the identity. cos(+ x) + cos(-x) = = COS X X- cos(+ x) + cos(-x) = 2 cos ( 2 COS ( + + x + = - x) cos( + + x - ( __ 3 3 2 = 2 cos COS X cos X
Verify the identity. cos(+ x) + cos(-x) = = COS X X- cos(+ x) + cos(-x) = 2 cos ( 2 COS ( + + x + = - x) cos( + + x - ( __ 3 3 2 = 2 cos COS X cos 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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![Verify the identity.
cos(+ x) + cos(− x) =
] ) - x + £ ) 500 (x − ‡ + x + $) 500²2 = (x − 5 0500 + (x + 1)000
)
Need Help?
= COS X
Read It
= 2 cos
= COS X
Watch It
1
cos X
COS X
2](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff2367e66-1ae4-4371-aa7b-db391deab840%2F30fad3e2-24fc-42bc-8042-a257ff3c655d%2Fuua0glg_processed.png&w=3840&q=75)
Transcribed Image Text:Verify the identity.
cos(+ x) + cos(− x) =
] ) - x + £ ) 500 (x − ‡ + x + $) 500²2 = (x − 5 0500 + (x + 1)000
)
Need Help?
= COS X
Read It
= 2 cos
= COS X
Watch It
1
cos X
COS X
2
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