Depends on where you are in the math book but this would be the most simple way.
n= number
sqar(-1) = i
Answer:
A,C
Step-by-step explanation:
sin 2x=sin (x+x)=sinx cos x+cos x sin x=2 sin x cos x
or =2 cos x sin x
[sinx cox=cos x sin x ]
Answer:
3 qnd 8 is the answer
Step-by-step explanation: