pls help me, i need to finish this tomorrow, thank you

Mmm 

http://www.wolframalpha.com/input/?i=2sinx%2Bcos(x-pi%2F4)%3D1%2Bsqrt2

melody what are you doing today?

Who am talking to?    You should get an account and then you could private message me. :)

At present I am listening to this:

https://www.youtube.com/watch?v=qnxya4ZspRI

I am also cursing my computer because the bluetooth speakers won't work.