Use Sum and Difference Formulas for Cosines and Sines
- $\sin 25 ^ { \circ } \cos 35 ^ { \circ } + \cos 25 ^ { \circ } \sin 35 ^ { \circ }$

Multiple Choice

Use Sum and Difference Formulas for Cosines and Sines
- $\sin 25 ^ { \circ } \cos 35 ^ { \circ } + \cos 25 ^ { \circ } \sin 35 ^ { \circ }$

A) $\frac { \sqrt { 3 } } { 2 }$
B) $\frac { 1 } { 2 }$
C) $\frac { 5 } { 12 }$
D) $\frac { \sqrt { 3 } } { 3 }$