Polar form of a complex number is r( cos(theta) + i sin(theta) )
r is equal to the total distance created by the rectangular coordinates of the complex number
r = Root(4^2 + (-4)^2) = Root(32) = 4 Root(2)
To find theta, if a > 0, use arctan(b/a), where:
a = the first number
b = the second number
arctan (-4/4) = -45 degrees (-0.7854 radians)
Your answer is 4 Root(2) (cos(-45) + i sin(-45))
Answer:
D or the 4th option
Step-by-step explanation:
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Answer:
= 1
Step-by-step explanation:
We are given the expression, .
Since, we have that,
The numerator and denominator is (20+x), which is a polynomial is continuous for all the real numbers i.e. for all x belonging to .
Thus, the limit exists and is given by,
= = = 1.
So, = 1.
Answer: 4/3
Step-by-step explanation: