If all the alphabets of alphabetical series are numbered as 26-1 from A-Z then what is the sum of the numbers of letters of the word “HUMBLE”?
HUMBLE = 19 + 6 + 14 + 25 + 15 + 22 = 101
If sinA = 3/5 and cosB = 12/13, where A and B are in the first quadrant, find sin(A + B).
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