Question

HELP PLEASE!!!
What is the solution set of the equation 2 cos^2 data- cos data =0 over the interval 0 degrees < or equal to data < 360 degrees?

Answer 1

hi!!

Answer 2

http://en.wikipedia.org/wiki/Data_(Star_Trek)

Answer 3

start with
\[2\cos(\theta)(\cos(\theta)-1)=0\]

Answer 4

then solve
\[\cos(\theta)=0\] and also
\[\cos(\theta)-1=0\]

Answer 5

the first one is pie over 2
the second also pie over 2

I think