 | John Hamilton Moore - Nautical astronomy - 1807 - 586 pages
...trouble of fubtracling the given angle from 90°. If the given angle be lefs than 45 degrees, it is found at the top of the table, and the minutes in the left-hand column reckoned down' wards, and its complement is found at the bottom, and the minutes on the right-hand... | |
 | John Hamilton Moore - Nautical astronomy - 1807 - 676 pages
...of fubtraâing the given angle from 90°. If the given angle be lefs- than 45 degrees, it is found at the top of the table, and the minutes in the left-hand column reckoned down« wards, and its complement is found at the bottom, and the minutes on the right-hand... | |
 | Simon Newcomb - Trigonometry - 1882 - 372 pages
...used only in some special cases where Table I\T. is not convenient. I. Angles less than 45°. If the angle of which a function is sought is less than 45°,...the heading of the page. Example. log sin 31° 27' = 9. 717 47; log tan 31° 27' = 9. 786 47; log cotan 31° 27' = 0.213 53; cos 31° 27' = 9.93100. The... | |
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If che angle of which a function is sought is less than 45°, we seek the number of degrees at the top of the table and the minutes in the left.hand column. 