Use an Addition or Subtraction Formula to write the expression as a trigonometric function of one number.
sin(12°) cos(18°) + cos(12°) sin(18°)
+26367 Use an Addition or Subtraction Formula to write the expression as a trigonometric function of one number.
\(\sin(12^\circ) \cos(18^\circ) + \cos(12^\circ) \sin(18^\circ) \)
\(\begin{array}{|rcll|} \hline && \sin(12^\circ) \cos(18^\circ) + \cos(12^\circ) \sin(18^\circ) \\ &=& \sin(12^\circ+18^\circ) \\ &=& \sin(30^\circ) \\ &=& \mathbf{0.5} \\ \hline \end{array}\)
