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To obtain the arc length formula for degrees, take your central angle value, divide it by 360 and then multiply the result by our circumference formula. Arc Length = (Degree Angle/360) x 2Ï€ x Arc ...
Central Angle Formula is represented as: Double Angle Formulas: Double angle formulas are named so because they involve trigonometric functions of double angles, i.e., sin2θ, cos2θ and tan2θ.