Solver Converting Degrees Into Radians
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==section input Convert *[input deg=90] degrees into radians. ==section solution The definition of a radian is an angle with the center of a circle with radius 1 and the circumference enclosed by the angle has length 1. By this definition, we have {{{2*pi}}} radians is equal to 360 degrees. Dividing by 360 on both sides gives 1 degree is equal to {{{pi/180}}} radians. So to convert from degrees to radians, we simply multiply by {{{pi/180}}}, so the angle in radians is {{{($deg*pi)/180}}}, which is *[assign rad1=$deg/180] {{{$rad1*pi}}} radians in terms of pi, and it is approximately *[assign rad2=$rad1*3.14159] $rad2 radians. ==section output rad1,rad1 ==section check
