Use a Calculator to Find the Function Value $$\sin ^ { 2 } 57 ^ { \circ } + \cos ^ { 2 } 57 ^ { \circ }$$

Multiple Choice

Use a calculator to find the function value. Give your answer rounded to seven decimal places, if necessary.
- $$\sin ^ { 2 } 57 ^ { \circ } + \cos ^ { 2 } 57 ^ { \circ }$$

A) 1
B) -1
C) 0
D) 2