help with trigonometric derivatives of 2 sine waves.

Thread Starter


Joined Mar 8, 2016
Well I think I have done it. I'm slightly out. My equation for vc is 3.26sin (314.2t-36).

When I calculate it it I get 3.2sin (314.2t-35) which I'm hoping is close enough to get the mark!!!

Thank you to everyone for all of your help it is very much appreciated!