Complex Numbers - Complex numbers are used in alternating current theory and mechanical vector analysis.Circle - the Chord Lengths when Divided in to Equal Segments - Calculate chord lengths when dividing the circumference of a circle into an equal number of segments.Circle - Equation - The equation for a circle.British Imperial System - A principal system of units.Angular Motion - Power and Torque - Angular velocity and acceleration vs.Angle Calculator - Carpenter's Square - Calculate angles with a straight board across carpenter's square.Mathematics - Mathematical rules and laws - numbers, areas, volumes, exponents, trigonometric functions and more.Mechanics - Forces, acceleration, displacement, vectors, motion, momentum, energy of objects and more.Basics - The SI-system, unit converters, physical constants, drawing scales and more.Degrees - decimal to minutes and seconds converterĬonverting angular velocity (ω) to other units.Make a Shortcut to this Calculator on Your Home Screen?.The radian is defined as the angle subtended at the center of a circle by an arc of circumference equal in length to the radius of the circle. Note! - radians are used by default in angular expressions in most computer languages. One degree can be expressed in radians as One radian can be expressed in revolutions as One radian can be expressed in degrees asġ rad = 360 o / (2 π) = ~ 57.29578 o (2a)
Since the length of a circle is 2 π r, and the radius of the circle is r - the radians in a complete circle can be calculated to The radian is the SI derived unit of an angle whereĭ = circular distance measured along the arc (m, in)
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