0 a type of mathematics that deals with the relationship between the angles and sides of triangles, used in measuring the height of buildings, mountains, etc. -- （數學中的）三角學
He entered the academy in 1730 and studied modern technical and scientific studies subjects such as geometry, trigonometry, astronomy, navigation, hydrography, and cartography.
The relation between the sides and angles of a right triangle is the basis for trigonometry.
The amount of money has been agreed, but when the physical dimensions, the trigonometry and the geometry, have not been agreed, how can you agree on the capital costs?
In other words, it has enabled people who can use a slide rule and can do calculus and trigonometry to expand their outlook.
I think that grace and beauty are quite as important as trigonometry.
How are they to learn geometry, algebra and trigonometry if they cannot do basic mathematics at the age of 11?
Using simple trigonometry and vector algebra, however, an architect can access more directly the underlying geometrical modelling engine of a computer-aided design system.
We have overloaded the arithmetic operators, trigonometry functions, and a few dozen other functions, to operate on expressions.
