Answer:
radians
Step-by-step explanation:
To convert degrees into radians, multiply the degrees with
.
If you have 18 degrees:

Here are the basic steps to follow to simplify an algebraic expression:<span>remove parentheses by multiplying factors.
use exponent rules to remove parentheses in terms with exponents.
combine like terms by adding coefficients.
<span>combine the constants.</span></span>
If this helped please mark brainliest:)