A dip circle lies initially in the magnetic meridian. If it is now ...

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A dip circle lies initially in the magnetic meridian. If it is now rotated through angle \( \theta \) in the horizontal
\( \mathrm{P} \) plane, then tangent of the angle of dip is changed in

W the ratio
(1) \( 1: \cos \theta \)
(2) \( \cos \theta: 1 \)
(3) \( 1: \sin \theta \)
(4) \( \sin \theta: 1 \)
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