... generates an angle. The angle is measured by the amount of rotation by which the line is brought from its original position into its terminal position. For the small rotation leading to acute and obtuse angles this definition agrees with the customary... Plane Trigonometry - Page 65by Arthur Graham Hall, Fred Goodrich Frink - 1909 - 238 pagesFull view - About this book
| Joseph Claudel - Mathematics - 1906 - 758 pages
...Feb., which gives the dates according to both calen1 -> -i dars. 222. The circumference of a circle is divided into 360 equal parts called degrees; the degree into 60 equal parts called minutes; the minute into 60 equal parts called seconds. The quadrant of a circumference... | |
| Arthur Graham Hall, Fred Goodrich Frink - Logarithms - 1909 - 264 pages
...angles this definition agrees with the customary elementary definition, the knowledge of which lias been presupposed in the foregoing chapters. As in...into 360 equal parts called degrees, the degree into GO minutes, and the minute into 60 seconds. In the circular system the standard unit is the radian,... | |
| Arthur Graham Hall, Fred Goodrich Frink - Trigonometry - 1910 - 204 pages
...BE. 51. A tower 115 feet high casts a shadow 157 feet long upon a walk which slopes downward FIG. 31. from its base at the rate of 1 in 10. What is the...seconds. In the circular system the standard unit is the r«di«n, the angle produced by such a rotation that each point in the generating line describes an... | |
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