Understanding 1/cos(x) with x=pi/4: Simplifying to Root 2

[intenzxboi]

k guys if you have 1/cos (x)
and x= pi/4

then the answer is root 2

but I'm actually having trouble writing it out

so...

1/ cos (pi/4) = 1/(root2 / 2)

so how come answer isn't 2/root2?

 

[Dick]

2/sqrt(2)=sqrt(2). Can you see why?

 

[intenzxboi]

yea.. i see it.. brain fart been studying all day :(