Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) The range of `f(x)=[sin x+[cos x+[tan x+[sec x]]]], x in (0, pi/4)`, where [.] denotes the greatest integer function `<=x,` is - Sarthaks eConnect

The range of `f(x)=[sin x+[cos x+[tan x+[sec x]]]], x in (0, pi/4)`, where [.] denotes the greatest integer function `<=x,` is

{0, 1}

{-1, 0, 1}

{1}

{0}