2. (a) Show that V3 cos x-sin x COS where 0

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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2.
(a)
Show that
cos(x+5)= cos x-sr
V3
sin x
IT
where
0<x<2n .
COS
(b) Using the result in (a), solve the equation cos x-V3sin x=2 .
Note: 0+드x+품52r+플
,i.e. 플sx+푸s.
3
3
Transcribed Image Text:2. (a) Show that cos(x+5)= cos x-sr V3 sin x IT where 0<x<2n . COS (b) Using the result in (a), solve the equation cos x-V3sin x=2 . Note: 0+드x+품52r+플 ,i.e. 플sx+푸s. 3 3
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