Recent content by IN SU CHUNG

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    Undergrad What is the Role of Direct Calculation in Planar Rotation Commutativity?

    Commutativity for planar rotations follows from a direct calculation. What does 'direct calculation' mean?
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    What Are the Three Main Sections of PF to Explore as a New Member?

    I am a student majoring in mechanical engineering. I am very happy to know this forum. Nice to meet you all.