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Math 20F  Linear Algebra  Spring 2003
Quiz #5 — May 15
(Do not discuss the quiz with students who haven’t taken it yet – until 8:00pm.)
You must show your work in order to get credit for a problem.
Label your answers clearly.
1.
Let
f
:
R
2
→
R
2
be the linear transformation deﬁned by the following
procedure. To calculate
f
(
x
), ﬁrst rotate
x
counterclockwise around
the origin through an angle of 45
◦
and, second, orthogonally project
the resulting vector onto the
x
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This note was uploaded on 04/23/2008 for the course MATH 20F taught by Professor Buss during the Spring '03 term at UCSD.
 Spring '03
 BUSS
 Linear Algebra, Algebra

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