She’s drinking 96 fluid ounces a day, and there’s 8 fluid ounces in a cup so she’s drinking 12 cups of water in a day
180deg = pi radians
130deg = (pi/180)*(130) = 13pi/18
There are 4 eggs in 6 blue baskets and there were 3 eggs in 6 green baskets
Answer:
25x
Step-by-step explanation:
Perimeter is all sides added up
Step-by-step explanation:
We know that tan=sin/cos, so tan(x+π/2)=
![\frac{sin(x+pi/2)}{cos(x+pi/2)}](https://tex.z-dn.net/?f=%5Cfrac%7Bsin%28x%2Bpi%2F2%29%7D%7Bcos%28x%2Bpi%2F2%29%7D)
Then, we know that sin(u+v)=sin(u)cos(v)+cos(u)sin(v),
so our equation is then
Then, cos(u+v)=cos(u)cos(v)-sin(u)sin(v), so our expression is then
![\frac{cos(x)}{cos(x)cos(\pi/2)-sin(x)sin(\pi/2)} = \frac{cos(x)}{-sin(x)} = -cot(x)](https://tex.z-dn.net/?f=%5Cfrac%7Bcos%28x%29%7D%7Bcos%28x%29cos%28%5Cpi%2F2%29-sin%28x%29sin%28%5Cpi%2F2%29%7D%20%3D%20%5Cfrac%7Bcos%28x%29%7D%7B-sin%28x%29%7D%20%3D%20-cot%28x%29)