Many kinds of engineers, navigator, surveyor, architect, air traffic controller, cartographer and many more.
how can trigonometry use in metallurgy
One example of an astronomer's use of trigonometry is determining the distance to a star by triangulation.
Well, if Edward Cullen the bloodsucking vampire can use trigonometry. Then I am asuming farmers can as well.
Mechanics use trigonometry to find angles mostly used in body or chassis work.
The first recorded use of trigonometry came from the Hellenistic mathematician Hipparchus
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yes they do
Yes
Yes.
An architect who designs a bridge would use trigonometry, among other mathematical techniques.
None. You do not need any knowedge of astronomy to study and be an expert at trigonometry.
Geometry is a field of mathematics and is neither a science nor an occupation. Any other field of mathematics can be related to geometry. Trigonometry and algebra are among the most closely related. Occupations that use geometry include engineering, physics, and astronomy, but many others do as well.