Find the angle ☺ between u= (1,1,0,1) racians the Vectors v=(3,3,3,3) १ 3 blue is My work √

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
9:33 AM Tue Oct 18
Find the angle
u = (1, 1, 0, 1)
D
Example
Answer is
racians
COS
π
4 = 45°
TO
ee
12.6
Cos 0
Ô =
I get
between the
v = (3,3,3,3)
cos O=
9
12
.785398
I
9
√3.6
vectors
O = cos ¹ x
90+ 524
to
23733
3√3
6
+
blue is
му work
√B
44%
but it is incorrect.
I think
the
answer
needs to
have π, but I don't understand
how
do
that.
<
5
/
6
<
Transcribed Image Text:9:33 AM Tue Oct 18 Find the angle u = (1, 1, 0, 1) D Example Answer is racians COS π 4 = 45° TO ee 12.6 Cos 0 Ô = I get between the v = (3,3,3,3) cos O= 9 12 .785398 I 9 √3.6 vectors O = cos ¹ x 90+ 524 to 23733 3√3 6 + blue is му work √B 44% but it is incorrect. I think the answer needs to have π, but I don't understand how do that. < 5 / 6 <
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