Solve the problem.Under certain conditions the x- and y- components of a magnetic file B area given by the equations,where k is a constant. Write these equations in terms of polar coordinates.

A. Bx = k sin2 ?, By = -k cos2 ?
B. Bx = , By = - 
C. Bx = k cos2 ?, By = -k sin2 ?
D. Bx = , By =  


Answer: C

Mathematics

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