¹ *Source: wiktionary.com*

### Definition of Trigonometrical

**1.** [adj]

### Trigonometrical Pictures

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### Lexicographical Neighbors of Trigonometrical

### Literary usage of Trigonometrical

Below you will find example usage of this term as found in modern and/or classical literature:

**1.** *Index of Economic Material in Documents of the States of the United States* by Adelaide Rosalia Hasse (1908)

"Armstrong on progress In astronomical dept. of **trigonometrical** survey. ...
**trigonometrical** Stevens Survey serial 1831. Rept. on **trigonometrical** survey of ..."**2.** *The Theory of Functions of a Real Variable and the Theory of Fourier's Series* by Ernest William Hobson (1907)

"The difficulties felt by the mathematicians of this period in regard to the
generality of the representation of a function by a **trigonometrical** series arose ..."**3.** *The Theory and Practice of Surveying: Designed for the Use of Surveyors and* by John Butler Johnson (1900)

"Geodetic Levelling is of two kinds: (A) **trigonometrical** Levelling and (B) Precise
... In **trigonometrical** levelling the relative elevations of the ..."**4.** *A Treatise on Mine-surveying* by Bennett Hooper Brough, Harry Dean (1920)

"**trigonometrical** Formulae.—The following is a summary of the principal **trigonometrical**
formulae used in surveying :— The **trigonometrical** functions of a given ..."**5.** *A Treatise on Plane Trigonometry* by Ernest William Hobson (1891)

"The Relation between **trigonometrical** and Algebraical Identities. 100. From any
**trigonometrical** identity in which the angles are homogeneous functions of the ..."**6.** *A New Manual of Logarithms to Seven Places of Decimals* by Carl Bruhns (1889)

"Table of the **trigonometrical** functions from o° to 6° and 84° to 90° for every
second 187 III. Logarithms of the **trigonometrical** functions from 6° o' to 84° ..."**7.** *Report of the Annual Meeting* (1880)

"On the deduction of **trigonometrical** from Elliptic Function Formula. ... so that
in deducing **trigonometrical** from elliptic function formulae (in which the ..."**8.** *A Catalogue of Manuscript and Printed Reports, Field Books, Memoirs, Maps* by Great Britain India Office (1878)

"Great **trigonometrical** • Survey. Executed by Capt. JS Du Vernet, First Assistant,
Great **trigonometrical** Survey, during the season 1846-47. ..."