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Relation between Arc, Radius and Central Angle
As shown in the diagram, Consider a circle with centre O and AOB being the sector with sector angle θ and arc APB. Length of the arc of a sector…
Systems of Measuring Angles
The following three different systems of units are used in the measurement of trigonometrical angles : (a) Sexagesimal System (or English System) (b) Centesimal System (or French System) (c) Circular…
