Really simple question

  • Thread starter intenzxboi
  • Start date
  • #1
98
0
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???
 

Answers and Replies

  • #2
Dick
Science Advisor
Homework Helper
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2/sqrt(2)=sqrt(2). Can you see why?
 
  • #3
98
0
yea.. i see it.. brain fart been studying all day :(
 

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