trigonometric
adjective
relating to or making use of trigonometry.
trigonometrical
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a word derived from
trigonometric.
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a word derived from
trigonometry.
trigonometrynounthe branch of mathematics that deals with the relations between the sides and angles of plane or spherical triangles, and the calculations based on them.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Beer and Mädler began at Berlin in 1830 their great trigonometrical survey of the lunar surface, as yet neither revised nor superseded.
From A Popular History of Astronomy During the Nineteenth Century Fourth Edition by Agnes M. (Agnes Mary) Clerke
The so-called "luminous clouds" seen at night during the same period, and which were probably these same dust particles still illumined by the sun, were found by trigonometrical measurements to have about the same altitude.
From Sounding the Ocean of Air by A. Lawrence Rotch
In India no expense is spared in making permanent the principal trigonometrical stations—costly towers in masonry being erected.
From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" by Various
If, as is generally the case, the lines of sight did not meet, the trigonometrical formulæ gave the height of a point midway between the crossing of these lines.
From Sounding the Ocean of Air by A. Lawrence Rotch
A trigonometrical survey which Benedict XIV. soon after had made in the papal states strikingly confirmed the French geographer’s results.
From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 "Anjar" to "Apollo" by Various
