HW1_solution - ◦ Problem 2.6.46(Requires some basic...

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EE441 HW#1 Solution Spring 2007 Instructor : Dr. Jonckheere TA: Ben Raskob Due Date 1/18/2007 Problem 2.6.2 5 reflections then 8 rotations (assuming 90 rotations)= reflection Problem 2.6.44 T ( x, y ) = ( x, - y ) and then S ( x, - y ) = ( - x, - y ). Thus ST = - I . ST can also be thought of as a rotation of 180
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Unformatted text preview: ◦ . Problem 2.6.46 (Requires some basic trigonometric identities) ST = b cos 2( θ-α )-sin 2( θ-α ) sin 2( θ-α ) cos 2( θ-α ) B Rotation is by 2( θ-α ). 1...
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