components Of A that is (a) normal to the surface r=5(b) tangent to the surface r=5,(c) tangent tothe cone theta=120degree(d) find a unit vector that is perpendicular to A and tangent to the cone theta =120degree
At point (5,120 degree,75 degree) a vector field has the value A=-12ar-5a theta+15 a phi.Find the vectors?
42.
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