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.
- $y = - \cos ( \theta + \pi ) \quad$ Find C.

A) $\frac { \pi } { 8 }$
B) $- \frac { 1 } { 7 } \pi$
C) $- \frac { 4 } { 7 } \pi$
D) $- \frac { \pi } { 8 }$