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) 0.25x
b) (0.25x+5)*3
Step-by-step explanation:
Answer:
44cm
Step-by-step explanation:
i found the answer by dividing the pie which is 4.13 to 22/7