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In this lesson, we will learn how to determine whether a matrix is orthogonal and how to find its inverse if it is.
Q1:
Is the matrix π΄=13ο1β222β1β2221ο€ orthogonal?
Q2:
Is the given matrix orthogonal? π΄=οππβππο cossinsincos
Q3:
Is the matrix π΄=ο122212221ο€ orthogonal?
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