(Solved): Using the scalar product of two vectors, determine the angle between the two vectors listed below: ...

Using the scalar product of two vectors, determine the angle between the two vectors listed below: \[ \begin{array}{l} \vec{A}=3 \hat{\imath}-2 \hat{\jmath}+8 \hat{k} \\ \vec{B}=7 \hat{\imath}+2 \hat{\jmath}-7 \hat{k} \end{array} \] Express your answer in degrees and use zero decimal places.