| Edward Augustus Kendall - 1811
...the co-sine of the arc AB, and is equal to Bf, the sine of its complement HB. The tangent of an arc, **is a right line touching the circle in one extremity of that** arc, continued from thence to meet a line drawn from the centra through the other extremity ; which... | |
| Edward Augustus Kendall - 1811
...the co.sine of the arc AB, and is equal to BI, the sine of its complement HB. The tangent of an arc, **is a right line touching the circle in one extremity of that** arc, continued from thence to meet a line drawn from the centre through the other extremity ; which... | |
| Robert Gibson - 1818 - 478 sider
...part of the diameter, between the sine and the centre : and is equal to the sine of the complement. **9. The Tangent of an arch is a right line, touching the** arch in one extremity, and produced from thence till it meets aright line drawn from the centre, through... | |
| William Jillard Hort - 1822
...between its extremity and the sine. Thus, AG is the versed sine of the arch AB, .or of the angle ACB. 7. **The tangent of an arch, is a right line touching the circle,** at one extremity of the arch, and meeting a diameter of that circle passing through the other extremity... | |
| |