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a. Let _ be the line spanned by _ cos sin . Show that the standard matrix for R_ is R =

Linear Algebra: A Geometric Approach | 2nd Edition | ISBN: 9781429215213 | Authors: Ted Shifrin, Malcolm Adams ISBN: 9781429215213 438

Solution for problem 12 Chapter 2.2

Linear Algebra: A Geometric Approach | 2nd Edition

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Linear Algebra: A Geometric Approach | 2nd Edition | ISBN: 9781429215213 | Authors: Ted Shifrin, Malcolm Adams

Linear Algebra: A Geometric Approach | 2nd Edition

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Problem 12

a. Let _ be the line spanned by _ cos sin . Show that the standard matrix for R_ is R = _ cos 2 sin 2 sin 2 cos 2 by using Figure 2.10 and basic geometry to find the reflections of (1, 0) and (0, 1). FIGURE 2.10 _ b. Derive this formula for R by using R_ = 2P_ I (see Example 3). c. Letting A be the rotation matrix defined on p. 98, check that A2 _ 1 0 0 1 = R = A _ 1 0 0 1 A(). d. Give geometric interpretations of these equalities.

Step-by-Step Solution:
Step 1 of 3

Week 10 Section 6.3 §6.3Confidence Interval for When x is Normally Distributed, n is Small and Unknown Theorem: Suppose x is a normally distributed random variable. Suppose a SRS of size n 2 is obtained. Then the 1 confidence interval for the mean value of x is given as - xx= sample mean value. - s =sample standard deviation - n = sample...

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Chapter 2.2, Problem 12 is Solved
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Textbook: Linear Algebra: A Geometric Approach
Edition: 2
Author: Ted Shifrin, Malcolm Adams
ISBN: 9781429215213

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a. Let _ be the line spanned by _ cos sin . Show that the standard matrix for R_ is R =

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