Question

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define trigonometry........ ​

Answer 1

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:

the branch of mathematics dealing with the relations of the sides and angles of triangles and with the relevant functions of any angles

Step-by-step explanation:

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