You can use the sum and difference identities which for cosine is cos(a+b)= cosacosb-sinasinb
Answer:
x= -2
Step-by-step explanation:
1.5(2x-4)=2(4x+2)
3x-6=8x+4
-5x=10
x= -2
Answer:
2/4
Step-by-step explanation:
2/4 × 2= 4/8 hsuddhskshvshiseu
Answer:
i got y = 3x + 4
Step-by-step explanation:
i graphed it
The second one
Ex;
2(0)+3=3
2(1)+3=7