Find the third order derivative of y = In(cos(2x))³. A. y' = -40sec² (2x)tan(2x) B. y' = -80sec? (2x)tan(2x) C. y' = 80sec² (2x)tan(2x) D. y' = -80sec(2x)tan(2x)
Find the third order derivative of y = In(cos(2x))³. A. y' = -40sec² (2x)tan(2x) B. y' = -80sec? (2x)tan(2x) C. y' = 80sec² (2x)tan(2x) D. y' = -80sec(2x)tan(2x)
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:Find the third order derivative of y = In(cos(2x))³.
A. y' = -40sec² (2x)tan(2x)
В. у'
-80sec? (2x)tan(2x)
С. у"
80sec? (2x)tan(2x)
D. y' = -80sec(2x)tan(2x)
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