Question: Vector A can be expressed in ( i , j , k ) notation as 9 i - 1 2 j , and vector B

Vector A can be expressed in (i,j,k) notation as 9i-12j, and vector B as -2i+6j.
Determine the angle of the vector 3A +2B.
The angle must be specified as a value between 0 and 360 degrees counter-clockwise with respect to the positive x-axis,

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