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The analysis of ratios between sides of right triangles with hypotenuse = 1 is at the heart of [[trigonometry]]. The [[sine]] of the angle at A is determined as the ratio of a/c, the [[cosine]] as b/c and the [[tangent]] as a/b. Relative to the angle A, the side ''b'' is described as the adjacent side and ''a'' as the opposite side.
The analysis of ratios between sides of right triangles with hypotenuse = 1 is at the heart of [[trigonometry]]. The [[sine]] of the angle at A is determined as the ratio of a/c, the [[cosine]] as b/c and the [[tangent]] as a/b. Relative to the angle A, the side ''b'' is described as the adjacent side and ''a'' as the opposite side.
==See also==
*[[Pythagorean triple]]
[[Category:Plane Geometry]]
[[Category:Plane Geometry]]