Cos 180 = -1
sin 180 = 0
So you put in the answer that when you revert it into complex again, it would be -4.
The correct answer would be 4(cos 270 + i sin 270)
Answer:
A. 
B. 
Step-by-step explanation:
A. 
Where,


Plug in the values to get a polynomial that represents the area of the tool




B. To find area, when x = 4.5 in, plug in the value of x into the equation for the area of the tool.





Answer: Ava doesn’t have sufficient evidence to reject the fast-food chains claim.
Step-by-step explanation: I got it right on the quiz lol
Answer:
Step-by-step explanation:
<h2><u><em>50 INCHES = 4.16667 FOOT </em></u></h2><h2><em>HOPE IT HELPS </em></h2><h2><em>THANK YOU </em></h2>