Question

What is trigonometry .​

Answer 1

Answer:

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Step-by-step explanation:

Trigonometry is a branch of mathematics that studies relationships between side lengths and angles of triangles.

The field emerged in the Hellenistic world during the 3rd century BC from applications of geometry to astronomical studies.

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Answer 2

Answer:

Trigonometry is the branch of mathematics that studies relationship between side ,lengths and angles of triangles...

There are three basic functions in trigonometry, each of which one side of right angled triangles .....