[" The largest interval lying in "(-(pi)/(2),(pi)/(2)],[" on which the function "],[f(x)=4^(-x^(2))+cos^(-1)((x)/(2)-1" is "],[+log(cos x)],[" defined,is "]

The largest interval lying in [(-pi)/(2),(pi)/(2)] for which the function f(x)= [4^(-x^(2)+cos^(-1)((x)/(2)-1)+log(cos x)] is defined is :

The largest interval lying in [-(pi)/(2),(pi)/(2)] for which the function : f(x)=[4^(-x^2)+cos^(-1)((x)/(2)-1)+log(cosx)] is defined is :

The largest interval lying in (-pi/2, pi/2) for which the function f(x) =4^(-x^(2)) + cos^(-1)(x/2-1) + log(cos x) is defined, is

The largest Interval lying in (-pi/2,pi/2) for which the function : f(x)= [4^(-x^(2))+ cos^(-1) (x/2-1)+ log( cos x)] is defined is :

The largest interval lying in (-pi/2,pi/2) for which the function [f(x)=4^-x^2+cos^(-1)(x/2-1)+log(cosx)] is defined, is (1) [0,pi] (2) (-pi/2,pi/2) (3) [-pi/4,pi/2) (4) [0,pi/2)

The largest interval lying in (-pi/2,pi/2) for which the function [f(x)=4^-x^2+cos^(-1)(x/2-1)+log(cosx)] is defined, is (1) [0,pi] (2) (-pi/2,pi/2) (3) [-pi/4,pi/2) (4) [0,pi/2)

The largest interval lying in (-pi/2,pi/2) for which the function [f(x)=4^-x^2+cos^(-1)(x/2-1)+log(cosx)] is defined, is (1) [0,pi] (2) (-pi/2,pi/2) (3) [-pi/4,pi/2) (4) [0,pi/2)