Answer
Addition
$sin\ x\ cos\ y + cos\ x\ sin\ y$
Work Step by Step
If we know the values of the sine and cosine of $x$ and $y$, we can find the value of $sin(x + y)$ by using the Addition Formula for Sine. State the formula: $sin(x + y) = sin\ x\ cos\ y + cos\ x\ sin\ y$.
