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Mathblock
^AR^B_{X' Y' Z'} ( \alpha, \beta, \gamma) =    \left[
         \begin{array}{ccc}
         \dfrac{5}{6} & \dfrac{1}{6} & 0c \beta c \gamma & - c \beta s \gamma & s \beta           \\
         s \alpha s \beta c \dfrac{5}{6}gamma & 0- s \alpha s \beta s \gamma & - s \alpha &c \dfrac{1}{6}beta \\
         0           & \dfrac{5}{6} & \dfrac{1}{6}- c \alpha s \beta c \gamma  & c \alpha s \beta s \gamma + s \alpha c \gamma & c \alpha c \beta
        \end{array}
    \right]

Using the examples from class as a primer, and using the atan2 function, please derive the formulas necessary to extract the values of angles , , and f rom the above rotation matrix. For simplicity, you may assume that no angles equal either 0° or 90°. Please express your answers in terms of elements of the rotation matrix (r11, r23, etc.) and clearly state any assumptions that you make.

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