Civil Engineering - Advanced Surveying - Discussion

Discussion Forum : Advanced Surveying - Section 4 (Q.No. 46)
46.
If δ is the declination of the star and φ is the latitude of the observer then the hour angle of the star at elongation is given by
sin H = tan φ . cot δ
cos H = tan φ . cot δ
tan H = tan φ . cot δ
none of these.
Answer: Option
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