Two types of trigonometry are recognized: planar and spherical. Planar is 2-dimensional, while spherical is 3-dimensional. Though these are different fields, spherical trigonometry is really just an application of planar trigonometry in several planes.
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Trigonometry is essential to the study of higher mathematics (calculus) and to the understanding of many scientific and engineering principles. Trigonometry and calculus can be used to model many shapes, motions, and functions in daily life.
Some trigonometry mathematicians also worked on other aspects of mathematics. Hope that answers your question.
Most branches of mathematics - including trigonometry - deal with numbers. The square root of three is a number.
distance and angle
Architecture! That's what my maths teacher always used to say... :)Another answerAny career that uses a fair amount of mathematics. That includes, besides architecture, engineering of all kinds, and a lot of areas of science. Trigonometry is also used in various technical trades.