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:
22.23
Step-by-step explanation:
Given that in a binomial experiment study, in a certain community showed that 5% of the people suffer from insomnia
i.e p = 0.05
q=0.95
n=10400

Var(x)=
the standard deviation of the number of people who suffer from insomnia
=22.23
Answer:
Step-by-step explanation:
where is the diagram and what do you mean by paralo to is it parallel
if you add a diagram i will answer your question because i love this chapter lines and angles
Answer: 5/12 or 0.41666666666
Step-by-step explanation:
3 divided by 7.2 = 5/12, in decimal form as 0.41666666666.
Answer:
42L
Step-by-step explanation:
with 18L the car can go 150km. we find the amount of petrol when car travels 1km by
18 divided 150= 0.12
then we use 0.12 multiply 350= 42L