MCQOPTIONS
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| 1. |
The elevation of the star at elongation is obtained by$? |
| A. | sin α = sin φ cosec δ |
| B. | sin α = sin φ sec δ |
| C. | sin α = cos φ sec δ |
| D. | sin α = cos φ cosec δ |
| Answer» B. sin ≈í¬± = sin ≈ì√ú sec ≈í¬• | |