Given:
There are given that the cos function:

Explanation:
To find the value, first, we need to use the half-angle formula:
So,
From the half-angle formula:

Then,
Since 105 degrees is the 2nd quadrant so cosine is negative
Then,
By the formula:

Then,
Put the value of cos210 degrees into the above function:
So,

Final answer:
Hence, the value of the cos(105) is shown below:
Answer:

Step-by-step explanation:
Given that:
Claire uses 2 liters of paint to cover 1 3/5 doors
Then in order for her to paint 1 door, She will need:
2 L = 1 3/5 door
x L = 1 door






Answer:
integer
Step-by-step explanation:
the slope looks like it's 4/1 when simplified it's 4. (integer)
Answer: Part A: Group p is called a cluster. Group T is called an outlier.
Part B: it seems that as the hours of exercise increases, their test scores increases.
Step-by-step explanation:
Try 9cm but I’m not quite sure please reply if it’s wrong or right