Question

Does anyone know what math topic this is?

Answer 1

Geometry (trigonometry)

Explanation:

Trigonometry is the branch of mathematics concerned with specific functions of angles and their application to calculations. There are six functions of an angle commonly used in trigonometry which I believe is the problem you are on.

Hope this helps <3

Answer 2

If you're talking about things like Algebra and Geometry, its Geometry

If you're not, can you be more specific ? :D