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)
The choice A will be the correct choice dealing with proportion
Answer:
x - 9
Step-by-step explanation:
Here u go 1.d 2.c I think 3.b
Answer:
The probability of getting gray = no. of gray shades / total
=> 2/7
The probability of getting head when we toss a penny = head / total ( head + tail )
=> 1/2
