Where does the (4/7) come from?
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
Where does the (4/7) come from?
Transcribed Image Text:8:17
AC = 7
Step2
b)
So Baye CA= 7
Seuce Cas x =
Base
So Cas x
J65
but Here No te that, Geute) is define in
but
Second quadrant whal sincns is tue
in second
quadraut Caslx) Shoukd be
hegative.
-7
there fore Coas =
Jo5
is bositiue in Foluth quadrant)
4/JE5
-7/ JES
Hene tan (x) =
%D
Hence op tioh (C) tanck) = is Carred
%3D
?
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