Which of the following sets of functions are linearly dependent on (0,[infinity]) ? Select all that apply. {1,tan 2
x,sec 2
x}
{lnx,lnx 2
}
{ x
1
​
,x,lnx,1}
{ x
​
,x,x 2
}
{1,x+3,2x,sinx}
{2+x,2+∣x∣}
{1,sin 2
x,cos 2
x}
​