Solve.Expand 
in a half-range sine series for 
A. 
sin 
- 
sin 
+ 
sin 
+ . . .
B. 
(?2 - 4) sin 
- 
sin 
+ 
(9?2 - 4) sin 
+ . . .
C. 
(?2 - 4) sin 
- 
sin 
+ 
(9?2 - 4) sin 
+ . . .
D. 128(?2 - 4) sin 
- 64 sin 
+ 
(9?2 - 4) sin 
+ . . .
Answer: C
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A. 
| T | T | F |
F T T
F F T
B.
| T | F | F |
C.
| T | T | T |
F T T
F F F
D.
| T | T | T |
F T F
F F T
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