Question

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

a.

sin H = tan φ . cot δ

b.

cos H = tan φ . cot δ

c.

tan H = tan φ . cot δ

d.

none of these.

Posted under Civil Engineering

Answer: (b).cos H = tan φ . cot δ

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Q. 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

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