A magnet hung at 45º with magnetic meridian makes an angle of 60º with the horizontal. The actual value of the angle of dip is
(A) \(tan^{-1} \left(\sqrt{\frac 32}\right)\)
(B) \(tan^{-1}(\sqrt 6)\)
(C) \(tan^{-1} \left(\sqrt{\frac 23}\right)\)
(D) \(tan^{-1} \left(\sqrt{\frac 12}\right)\)