F =@(x) [1.3-((tan(x(1))+2/(x(2)*cos(x(1)))*0+0.4*log(1-5*0/(x(2)*cos(x(1))))));3-((tan(x(1))+2/(x(2)*cos(x(1)))*+0.4*log(1-5*5/(x(2)*cos(x(1))))))];fsolve(@(x)F(x),rand(2,1))
