What is the appropriate trigonometric identity that is required to solve (cos x dx ? A. sec? x =1+ tan? x B. sin? x =1+ cos? x C. sin? x = cos? x –1 D. cos? x =1- sin x
What is the appropriate trigonometric identity that is required to solve (cos x dx ? A. sec? x =1+ tan? x B. sin? x =1+ cos? x C. sin? x = cos? x –1 D. cos? x =1- sin x
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:3. What is the appropriate trigonometric identity that is required to solve (cos x dx ?
A. sec? x =1+tan? x
B. sin? x = 1+ cos? x
%3D
C. sin? x = cos? x – 1
%3D
D. cos? x = 1- sin? x
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