IndiaBIX

Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 16 (Q.No. 42)
UPSC Civil Service Exam Questions
42.
A star is observed at its western elongation. If the latitude of place of observation is θ, the declination of star is δ, altitude of star at elongation is α, then the hour angle of star is given by
cos H = cos δ . sec θ
cos H = tan θ . cot δ
cos H = tan θ . cot α
cos H = tan δ . cot θ
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
Be the first person to comment on this question !
Post your comments here:

Your comments will be displayed after verification.

Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers