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Simplification
If sinC + sinD =X, then the value of X is?
2cos[(C+D)/2]sin[(C-D)/2]
2sin[(C+D)/2]cos[(C-D)/2]
2cos[(C+D)/2]cos[(C-D)/2]
2sin[(C+D)/2]sin[(D-C)/2]
Correct Answer:
2sin[(C+D)/2]cos[(C-D)/2]
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