Prove the following trigonometric identities. 1 cotx a) 6 cosx| 6 cosx = 6sin² x COSX CSCX
Prove the following trigonometric identities. 1 cotx a) 6 cosx| 6 cosx = 6sin² x COSX CSCX
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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Question
Transcribed Image Text:Prove the following trigonometric identities.
1
cotx
a) 6 cosx|
osx-
= 6sin² x
COSX
CSCX
18
Transcribed Image Text:b) 2sinx cosy sin (x + y) + sin(x - y)
c) - csc (2-x) -
= - sec³ x
tan² xsecx = -
CSC
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