Answer:
Option C) -cosu is correct
Therefore the simplified expression is ![cos(u+\pi)=-cosu](https://tex.z-dn.net/?f=cos%28u%2B%5Cpi%29%3D-cosu)
Step-by-step explanation:
Given expression is ![cos(u+\pi)](https://tex.z-dn.net/?f=cos%28u%2B%5Cpi%29)
To find the value of the given expression :
By using the formula ![cos(A+B)=cosAcosB-sinAsinB](https://tex.z-dn.net/?f=cos%28A%2BB%29%3DcosAcosB-sinAsinB)
Substitute A=u and
in the above formula we get
![cos(u+\pi)=cosucos\pi-sinusin\pi](https://tex.z-dn.net/?f=cos%28u%2B%5Cpi%29%3Dcosucos%5Cpi-sinusin%5Cpi)
( here
and
)
![=-cosu-0](https://tex.z-dn.net/?f=%3D-cosu-0)
![=-cosu](https://tex.z-dn.net/?f=%3D-cosu)
![cos(u+\pi)=-cosu](https://tex.z-dn.net/?f=cos%28u%2B%5Cpi%29%3D-cosu)
Therefore option C) -cosu is correct
Therefore the simplified expression is ![cos(u+\pi)=-cosu](https://tex.z-dn.net/?f=cos%28u%2B%5Cpi%29%3D-cosu)
Answer:
2 and 5
Step-by-step explanation:
Answer:
80%
Step-by-step explanation:
you divide 4 and 5. Which equals 80
64 feet^2 because the area of a square is one side multiplied by itself, and 8 x 8 is 64
<h2><u>
Answer:</u></h2><h2>
![\boxed{\boxed{\sf{Distance}}}](https://tex.z-dn.net/?f=%5Cboxed%7B%5Cboxed%7B%5Csf%7BDistance%7D%7D%7D)
</h2><h2 /><h2><u>
Solution Steps:</u></h2>
______________________________
<h3>1.) Dependent Variable:</h3>
- A dependent variable is almost always the
variable. This also means it depends on another variable. The way you can tell it's dependent for this problem is that the per the rule: distance = time. This means that the distance changes based on the time.
depends on ![(x)](https://tex.z-dn.net/?f=%28x%29)
So your answer is Distance.
______________________________