"Trigonometrical" is a word in ENGLISH

trigonometrical ENGLISH
Definition:

Of or pertaining to trigonometry; performed by the
rules of trigonometry.

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example ENGLISH

An instance serving for illustration of a rule or precept, especially a problem to be solved, or a case to …

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goniometry ENGLISH

The art of measuring angles; trigonometry.

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polygonometry ENGLISH

The doctrine of polygons; an extension of some of the principles of trigonometry to the case of polygons.

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spherics ENGLISH

The doctrine of the sphere; the science of the properties and relations of the circles, figures, and other magnitudes of …

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survey ENGLISH

To determine the form, extent, position, etc., of, as a tract of land, a coast, harbor, or the like, by …

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-tries ENGLISH
trigonometry ENGLISH

That branch of mathematics which treats of the relations of the sides and angles of triangles, which the methods of …

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trigonometry ENGLISH

A treatise in this science.

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