Page 40 - Trigonometry
P. 40

6
        Third calculation, set up    = ( ), use the following
                                                 0
        keystrokes,
        Cq(MATRIX)22

        Enter the data, 6=0=










        Perform the matrix multiplication,

        Cq(MATRIX)3q(MATRIX)4=










        Which means,

                                  6         5.322
                                 ( ) → (            )
                                  0         2.770


                                                      o
        The  rotated  triangle  through  27.5   anti-clockwise  is
        shown on the next page in red. You can see the point

        A → A’, B → B’ and C → C’.



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