Question

what is trigonometry?

Answer 1

Trigonometry ( trigōnon, "triangle" and metron, "measure") is a branch of mathematics that studies relationships involving lengths and angles of triangles. ... Trigonometry is most simply associated with planar right-angle triangles (each of which is a two-dimensional triangle with one angle equal to 90 degrees).
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Answer 2

Step-by-step explanation:

Trigonometry the branch of maths which deals with the study of sides and angle of triangle. The word “trigonometryʼʼ is derived from three Greek words “ tri” three “gono” sides or angles and “metry” or “metron” means measurement