Answer:
The next step would be adding -4 to the other side since it would cancel out -4
Step-by-step explanation:
Answer:
∅ = 50°
Step-by-step explanation:
YOU NEED A CALCULATOR TO SOLVE THIS!
You need to use Law of Sines

Here you will be doing 
a and c are the lengths, while A and C are the angles
you want to get the denominators out from underneath so multiply both sides by sinA and sin43

Now you want to get sinA alone so divide both sides by 2.54
now get A alone
put that into the calculator

Answer:yes
Step-by-step explanation:
any number can be expanded. 200+50+08
Cos 90° = 1
Step-by-step explanation:
Cos 90° = 1, Because The angles are complements