18. Find the equation of the tangent line to the curve f(x) 2 cos² = cos (2x+) at the point where x = Π 4

Calculus: Early Transcendentals
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ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
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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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18. Find the equation of the tangent line to the curve f(x)
2
cos²
= cos (2x+) at the point where x =
Π
4
Transcribed Image Text:18. Find the equation of the tangent line to the curve f(x) 2 cos² = cos (2x+) at the point where x = Π 4
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