Answer: To have a real number in the denominator
Step-by-step explanation:
Ok, a quotient between two complex numbers can be written as:
Now, when we do these types of divisions, we multiply and divide by the same number (so in essence we are multiplying by one) that is the conjugate of the denominator.
Remember that for a complex number:
Z = A + Bi
the conjugate is = A - Bi.
Then, wen we multiply the denominator by it's conjugate, we have:
(C + Di)(C - Di) = C^2 + D*C*i - D*C*i + (D*i)*(-D*i) = C^2 + D^2
So now we have a real number in the denominator (the imaginary part of this number is equal to zero)
So the answer to the question is:
"To have a real number in the denominator"
1.-5
2.-3
3.13
4.-18
5.8
6.14
7.-15
8.-4
9.-25
10.18
Answer:
Now we need to find B' and C' by multiplying 0.125 with the x-coordinate and y-coordinate.
-----
x-coordinate of B is -2, y-coordinate of B is 8
x-coordinate of B'
y-coordinate of B'
So
-----
x-coordinate of C is 6 and y-coordinate of C is 4
x-coordinate of C'
y-coordinate of C'
So
Conclusion:
The below are the TRUE statements:
(i) The coordinates of C' are (0.75, 0.5)
(ii) The scale factor is 1/8
(iii) The coordinates of B' are (–0.25, 1).
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Step-by-step explanation:
Answer:
Line segment TS.
Step-by-step explanation:
We have an Unit Circle. The y-coordinate of T is the sine of . Therefore, the exact value of is TS.
Answer:
130.07
Step-by-step explanation: