Thenervemann Messages 1 Reaction score 0 Thread starter Nov 8, 2010 #1 Need help with the file attatched. thanks. Attachments Trig idenity.pdf Trig idenity.pdf 17.6 KB · Views: 234
berkeman Admin Messages 69,696 Reaction score 25,464 Nov 8, 2010 #2 Thenervemann said: Need help with the file attatched. thanks. Welcome to the PF. Can you start by expressing the cos() term in terms of some sin() term that is equivalent? Note that the angular frequencies are the same for the sin and cos terms...
Thenervemann said: Need help with the file attatched. thanks. Welcome to the PF. Can you start by expressing the cos() term in terms of some sin() term that is equivalent? Note that the angular frequencies are the same for the sin and cos terms...