Answer:
3, - 6 )
Step-by-step explanation:
Since the dilatation is centred at the origin , multiply the original coordinates by the scale factor, that is
(6, - 12 ) → ( × 6, × - 12 ) → (3, - 6 )
Answer: it think it’s A
Step-by-step explanation:
It’s more reasonable than the other options
Cos2x = (cosx)^2-(sinx)^2 so if you have the minus before you have to inverse sign: (sinx)^2-(cosx)^2= -cos2x