Question

what is trigonometry?
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Answer 1

Answer:

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

$\mathcal \red{{ANSWER:-}}$

Trignometry is a branch of Mathematics.

Trigonometry is used in different branch of Engineering, Astronomy, Navigation etc. The word Trigonometry is derived from Greek words 'Tri' means three 'gona' means sides and 'metron' means measurement.

The subject Starts with right angled triangle, theorem of pythagoras and similar triangle.