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But if the aiigle is between 45° and 90°, look for the degrees and the title of the column, at the bottom ; and for the minutes on the right. The Secants and Cosecants, which are not inserted in this table, may be easily supplied.
Introduction to Use of Logarithms - Page 45
de Eugene Lamb Richards - 1884 - 93 pages
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## A Treatise of Plane Trigonometry: To which is Prefixed, a Summary View of ...

Jeremiah Day - 1815 - 126 pages
...the top, and for the minutes, on the left ; but when the angle is between 45° and 90°, to look for the title of the column, at the bottom, and for the minutes, on the right. The log. sine of 81° 21' is 9.99503 The cosine of 72° 10' 9.48607 The tangent of 54° 40' 10.14941 The...
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## A Practical Application of the Principles of Geometry to the Mensuration of ...

Jeremiah Day - 1815 - 388 pages
...the top, and for the minutes, on the left ; but when the angle is between 45° and 90°, to look for the title of the column, at the bottom, and for the minutes, on the right. The log. sine of 81° 21' is 9.99503 The cosine of 72° 10' 9.48607 The tangent of 54° 40' 10.14941 ,...
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## The Second [-fifth and Sixth] Part of A Course of Mathematics: Adapted to ...

Jeremiah Day - 1824 - 440 pages
...the top, and for the minutes, on the left ; but when the angle is between 45° and 90°, to look for the title of the column, at the bottom and for the minutes, on the right. 107. If the given angle is greater than 90°, look for the sine, tangent, &c. of its supplement. (Art....
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## The Principles of Plane Trigonometry, Mensuration, Navigation and Surveying

Jeremiah Day - 1831 - 520 pages
...the top, and for the minutes on the left ; but when the angle is between 45° and 90°, to look for the title of the column, at the bottom and for the minutes, on the right. The log. sine of 81° 21' is 9.99503 The cosine of 72° 10' 9.48607 The tangent of 54° 40' 10.14941 The...
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## A Treatise of Plane Trigonometry: To which is Prefixed a Summary View of the ...

Jeremiah Day - 1831 - 418 pages
...the top, and for the minutes on the left ; but when the angle is between 45° and 90°, to look for the title of the column, at the bottom and for the minutes, on the right. 107. If the given angle is greater than 90°, look for the sine, tangent, &c. of its supplement. (Art....
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## A Course of Mathematics: Containing the Principles of Plane ..., Volumes 1 à 3

Jeremiah Day - 1838 - 416 pages
...the top, and for the minutes on the left ; but when the angle is between 45° and 90°, to look for the title of the column at the bottom, and for the minutes, on the right. The log. sine of 81° 21' is 9.99503 The cosine of 72° 10' 9.48607 The tangent of 54° 40' 10.14941 The...
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## A Course of Mathematics: Containing the Principles of Plane Trigonometry ...

Jeremiah Day - 1839 - 432 pages
...the top, and for the minutes on the left ; but when the angle is between 45° and 90°, to look for the title of the column at the bottom, and for the minutes, on the right. The log. sine of 81° 21' is 9.99503 The cosine of 72° 10' 9.48607 The tangent of 54° 40' 10.14941 The...
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## A Treatise of Plane Trigonometry, and the Mensuration of Heights and ...

Jeremiah Day - 1848 - 153 pages
...the top, and for the minutes on the left ; but when the angle is between 45° and 90°, to look for the title of the column at the bottom, and for the minutes, on the right. The log. sine of 81° 21' is 9.99503 The cosine of 72° 10' 9.48007 The tangent of 54° 40' 10.14941 The...
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## A Course of Mathematics: Containing the Principles of Plane Trigonometry ...

Jeremiah Day - 1851 - 418 pages
...the top, and for the minutes on the left ; but when the angle is between 45° and 90°, to look for the title of the column at the bottom, and for the minutes, on the right. The log. sine of 81° 21' is 9.99503 The cosine of 72° 10' 9.48607 The tangent of 54° 40' 10.14941 The...
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## A Course of Mathematics: Containing the Principles of Plane Trigonometry ...

Jeremiah Day - 1853 - 288 pages
...the top, and for the minutes on the left ; but when the angle is between 45° and 90°, to look for the title of the column at the bottom, and for the minutes, on the right. 107. If the given angle is greater than 90°, look for the sine, tangent, &c., of its supplement. (Art....
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