Cos(60) = cos(90 - 30) = sin(30) = 1/2
This should be what you want.
The expression would be written as:

n-3
N is any number. This expression means two-fifths of a number, subtract three. Now substitute 25 for n.

(25)-3
=10-3
=7
Answer:
45 degrees
Step-by-step explanation:
Ok I think it is 45 degrees try that if not super sorry
2(13) = 26
-3(6) = -18
26 - 18
=8
so the answer is A
Your number is 34,699 right and if anything is 5000 or over round ahead so it is 30,000