Question

$\fbox\purple{What\ is\ trigonometry\ ????}$

${Don't\ post\ irrelevant\ answers\ to\ any\ questions......}$​

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.

Answer 2

Step-by-step explanation:

Trigonometry is the branch of science that involves the relationship between sides, lengths and angles