syms x
solve('tan(7*pi/180)=2*cot(x)*(2^2*(sin(7*pi/180))^2-1)/(2^2*(1.4+cos(14*pi/180))+2)')
ans =
-0.92769514665613352644825296087708
syms x
solve('tan(7*pi/180)=2*cot(x)*(2^2*(sin(7*pi/180))^2-1)/(2^2*(1.4+cos(14*pi/180))+2)')
ans =
-0.92769514665613352644825296087708