In general, if then all the solutions are:
Hi - Needs some pointers on this question as can't find any examples like it in any books.
Find the general solutions to:
Not really sure where to start with this at all! I know the general solution formulas but need a push in the right direction. Do I use the sum and difference identities, or compound identities to get to the double angle ones.?? really not sure so your help would be great.