Answer:
7 + 8i
Step-by-step explanation:
Conjugate of 7 - 8i is 7 + 8i
The periodicity of function is 
<em><u>Solution:</u></em>
Given that we have to find the period of function
<em><u>Given function is:</u></em>

<em><u>Use the below formula:</u></em>

Thus,

Now find the periodicity of cos(x)
We know that,
periodicity of cos(x) = 
Therefore,

Thus the periodicity of function is 
Answer:
-1 1/2
Step-by-step explanation:
Answer:
4000
Step-by-step explanation:
36kg = 36000g
36000g/9 bags = 4000g
10 to the third power is 1000