If the sin 30=1/2, then cos ____ = 1/2. Will give medal!

Question

anonymous · Answer

Can someone please guide me on how to do this

zepdrix · Answer

Hey Sophia! c:

Sine and Cosine are co-functions.
$\Large\rm \sin(30)=\cos(60)$

anonymous · Answer

this is from FLVS right?  i would love to know the question id number

anonymous · Answer

its for a dba

anonymous · Answer

wait so the answer would be 60?

anonymous · Answer

yes, but the question is written by a moron
what is dba?

anonymous · Answer

I call the teacher and let her know answers to these questions

anonymous · Answer

Thank you!

anonymous · Answer

tell  her satellite73 says
"any question that starts out with "if $\sin(30)=\frac{1}{2}$ then $\cos(x)=\frac{1}{2}$ "
makes as much sense as saying
 "if $2+2=4$ then $\cos(x)=\frac{1}{2}$"
it was written by an idiot who has no place writing math questions

anonymous · Answer

Hah! I'll make sure to let her know! Thanks!

anonymous · Answer

really truly do
it is a huge failure on the part of logic

anonymous · Answer

you don't start a question with "if blah" when "blah"  is always true