Write the sum without sigma notation and evaluate it.
A. 6 sin 
+ 216 sin 
= 111
B. 6 sin 
+ 36 sin 
+ 216 sin 
= 129
C. 6 sin 
+ 36 sin 
+ 216 sin 
= 129
D. 6 + 36 + 216 = 258
Answer: C
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