 | Webster Wells - 1883 - 298 pages
...then called the sine of the angle BАС; that is, in a right triangle, The sine of either acute angle is equal to the ratio of the side opposite the angle to the hypothenuse. It is important to observe that the value of the sine of an angle depends solely on the... | |
 | Frank Castle - Mathematics - 1899 - 424 pages
...hypothenuse. The cosine. — The ratio of the side adjacent to the angle, to the hypothenuse. The tangent. — The ratio of the side opposite the angle to the side adjacent. The reciprocals form three other ratios. Thus the reciprocal of the sine is called the cowanl. The... | |
 | Charles Riborg Mann, George Ransom Twiss - Physics - 1905 - 488 pages
...of slope, and On is the side adjacent to it in the right triangle pOn; and in a right triangle this ratio of the side opposite the angle to the side adjacent to it is called the TANGENT OF THE ANGLE. It is clear that the tangent of a given angle has always the... | |
 | Walter Burton Ford, Charles Ammerman - Geometry, Solid - 1913 - 184 pages
...Sine Column gives the ratio of the side opposite the angle to the hypotenuse; The Tangent Column gives the ratio of the side opposite the angle to the side adjacent to the angle. To find the Cosine of any angle, take the sine of the complement of that angle. 2. Chords and Arcs... | |
 | Walter Burton Ford, Charles Ammerman - Geometry, Plane - 1913 - 378 pages
...Sine Column gives the ratio of the side opposite the angle to the hypotenuse; The Tangent Column gives the ratio of the side opposite the angle to the side adjacent to the angle. To find the Cosine of any angle, take the sine of the complement of that angle. 2. Chords and Arcs... | |
 | Walter Burton Ford, Earle Raymond Hedrick - Geometry, Modern - 1913 - 272 pages
...Column gives the ratio of the side opposite the angle to the hypotenuse ; The Tangent Column gives the ratio of the side opposite the angle to the side adjacent to the angle. To find the Cosine of any angle, take the sine of the complement of that angle. 2. Chords and Arcs... | |
 | John Charles Stone - Mathematics - 1919 - 232 pages
...DISTANCES BY TANGENT RELATIONS You have learned that the tangent of an acute angle of a right triangle is the ratio of the side opposite the angle to the side adjacent to the angle. 1. From a point 100 ft. from the foot of a tree, the angle of elevation of the top of the tree is 50°.... | |
 | Clay industries - 1926 - 360 pages
...is the ratio of the side adjacent to the angle to the hypotenuse. The tangent (tan) of an angle is the ratio of the side opposite the angle to the side adjacent to the angle, or it is equal to the ratio of the sine of the angle to the cosine of the angle, where the sine is... | |
 | John Charles Stone - Mathematics - 1926 - 344 pages
...DISTANCES BY TANGENT RELATIONS You have learned that the tangent of an acute angle of a right triangle is the ratio of the side opposite the angle to the side adjacent to the angle. 1. From a point 100 ft. from the foot of a tree, the angle of elevation of the top of the tree is 50°.... | |
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Column gives the ratio of the side opposite the angle to the side adjacent to the angle. To find the Cosine of any angle, take the sine of the complement of that angle. 
