5. Which of the following is NOT an identit 1 - cos²x = sin²x 2 tan²x = 1 + sec¹x COSX sinx = cott sinx= cos x - R|N 2

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter7: Distance And Approximation
Section7.5: Applications
Problem 17EQ
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5. Which of the following is NOT an identity?
1 - cos²x = sin²x
2
2
tan²x = 1 + sec²x
COSX
sinx
= cota
(x-7/2
sinx = cos x
R|N
Transcribed Image Text:5. Which of the following is NOT an identity? 1 - cos²x = sin²x 2 2 tan²x = 1 + sec²x COSX sinx = cota (x-7/2 sinx = cos x R|N
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