What is Trigonometry?
A branch of mathematics that study about the relation between sides and angles of a right angled triangle. There are six relation that defines the Trigonometrical relation between sides and angles.
They are - sin, cos(ine), tan(gent), cot(angent), sec(ant) and cosec(ant).
The term "trigonometry" was derived from the Greek word "τριγωνομετρία" ("trigonometria"), meaning "triangle measuring", from "τρίγωνο" (triangle) plus "μετρεῖν" (to measure).
Happy reading
Dr Rajesh Kumar Thakur
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