Standard Normal Distribution. As discussed in the introductory section, normal distributions do not necessarily have the same means and standard deviations. A normal distribution with a mean of 0 and a standard deviation of 1 is called a standard normal distribution.
Sin = opposite/hypotenuse
cos = adjacent/hypotenuse
They are the same when opposite equals adjecent.
This only occurs when the angles are equal.
Answer: 45°
I’m just trying to earn points but I’m not sure sorry!
Answer:386
Step-by-step explanation:
We have given
Smoothing parameter 
Forecasted demand
Actual demand
And Forecast is given by





Review the meaning of "straight angles."
Here 110 and A are "straight angles," and so 110 + A = 180 (degrees).
Then A = 70 degrees.