Answer:
1. subtract by 12 on both sides
2. Divide both sides by -8
Step-by-step explanation:
Answer:can't see no 1
Step-by-step explanation:
2=A
3=c
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 ]