# Trig Identities Help!!!!

• April 14th 2008, 11:34 AM
beccster
Trig Identities Help!!!!
please i need to solve the following problem with trig identites...

4sin + 4 – cos2 + 2sin
2sin – 2 - cos2 cos2

i would really apreciate it! and how you solved it. thank you
• April 14th 2008, 11:42 AM
angel.white
Quote:

Originally Posted by beccster
please i need to solve the following problem with trig identites...

4sin + 4 – cos2 + 2sin
2sin – 2 - cos2 cos2

i would really apreciate it! and how you solved it. thank you

Can you clarify, is this your formula?

$\frac{4~sin(x) + 4 - cos(2x)}{2~sin(x)-2-cos(2x)}+ \frac{2~sin(x)}{cos(2x)}$

...also, what are you supposed to solve? Should this be equal to something?
• April 14th 2008, 11:47 AM
beccster
yes
yes that is the equation. i need to simplify it as much as possible. sorry for the lack of clarity