Re: 4u trials CSSA
Uhhhh did it 8 hours and suddenly forgets everything...
Question 16:
~ Induction - Strong Induction/Recursion
~ General solution of cos2x + cos3x +cos4x = 0, we were given the sums to products formula
~ Final part worth 5 marks:
(z+1)^n+(z-1)^n = 0
1) RTP: mod(z-1) =...