Answer:
3
Step-by-step explanation:
2x
8
3y
Answer:
About 79 boys i think
Step-by-step explanation:
:)
Answer: A. 42 tickets
Step-by-step explanation: 8, 16, 24, 32, 40, 48
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: