Any ideas why this atan2 command doesn't work? I need the theta values in radians, not degrees. Thanks, Kim

weight = 4000;

lengthA = 1.0;

lengthB = 1.8;

lengthL = 0.7;

retracted = 5;

deployed = 90;

theta = linspace(retracted, deployed);

alpha = atan2((lengthA * sin(theta)) ./ (lengthL - lengthA * cos(theta)));

force = weight *((lengthB * cos(theta)) ./ (lengthA * cos(90 - theta - alpha)));