Answer:
Below
Step-by-step explanation:
Let's prove that cos^2(O) = 1+ cos(2O)/2
We khow that cos(2O) = 2 cos^2-1
● cos(2O) = 2 cos^2-1
Add one to both sides:
● cos(2O) +1 = 2 cos^2-1+1
● cos(2O) +1 = 2 cos ^2
Divide both sides by 2
● [cos(2O)+1]/2 = cos^2
Answer:
Step-by-step explanation:
Distribute:
Combine like terms:
-2r + 4 is your answer.
The sum of the 9th square number and 3rd cube number is 108
Answer: The population will be 536,250 people
Step-by-step explanation:
The first option and the third option are correct.
(Although, it's probably way too late now...)
