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Difference between revisions of "2022 AMC 12A Problems/Problem 18"

(Created page with "==Problem== Let <math>T_k</math> be the transformation of the coordinate plane that first rotates the plane <math>k</math> degrees counter-clockwise around the origin and the...")
 
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==Problem==
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#redirect [[2022 AMC 10A Problems/Problem 18]]
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Let <math>T_k</math> be the transformation of the coordinate plane that first rotates the plane <math>k</math> degrees counter-clockwise around the origin and then reflects the plane across the <math>y</math>-axis. What is the least positive
 
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integer <math>n</math> such that performing the sequence of transformations <math>T_1, T_2, T_3, \cdots, T_n</math> returns the point <math>(1,0)</math> back to itself?
 
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==Solution==
 
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https://youtu.be/QQrsKTErJn8
 
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(Professor Chen Education Palace, www.professorchenedu.com)
 

Latest revision as of 04:17, 19 November 2022

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