- trigonometric equation,
- trigonometric function,
- trigonometric functions,
- trigonometric series,
Origin of trigonometry
Examples from the Web for trigonometry
Once in college she knew she would have her fill of trigonometry.Marjorie Dean High School Senior|Pauline Lester
A second developed a trigonometry of sines to replace the Ptolemaic trigonometry of chords.An Introduction to the History of Science|Walter Libby
The man who wrote the book on trigonometry that we used to study at Boxwood Hall?Ned, Bob and Jerry on the Firing Line|Clarence Young
"I used to sham faint on trigonometry afternoons at school," he went on, with a yawn.Sonia Between two Worlds|Stephen McKenna
Trigonomet′ric, -al, pertaining to trigonometry: done by the rules of trigonometry.
Word Origin for trigonometry
"branch of mathematics that deals with relations between sides and angles of triangles," 1610s, from Modern Latin trigonometria (Barthelemi Pitiscus, 1595), from Greek trigonon "triangle" (from tri- "three," see tri-, + gonia "angle," see knee (n.)) + metron "a measure" (see meter (n.2)).