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AP EAPCET 2021 - 19th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

The plane of a dip circle is set in the geographic meridian and the apparent dip is $$\delta_1$$. It is then set in a vertical plane perpendicular to the geographic meridian. The apparent dip angle is $$\delta_2$$. The declination $$\theta$$ at the place is

A
$$\tan ^{-1}\left(\tan _1 \tan _2\right)$$
B
$$\tan ^{-1}\left(\tan \delta_1+\tan \delta_2\right)$$
C
$$\tan ^{-1}\left(\frac{\tan \delta_1}{\tan \delta_2}\right)$$
D
$$\tan ^{-1}\left(\tan \delta_1-\tan \delta_2\right)$$
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