For $$f ( x ) = A \sin \left( \frac { 2 \pi } { B } ( x - C ) \right) + D$$

Multiple Choice

For $$f ( x ) = A \sin \left( \frac { 2 \pi } { B } ( x - C ) \right) + D$$ identify either A, B, C, or D as ind icated for the sine function.
Find A.
- $$y = - 2 \sin \left( - \theta + \frac { \pi } { 2 } \right)$$

A) $\frac { \pi } { 2 }$
B) -4
C) - 1
D) - 2