What does the word credit mean in the context of this personal statement​

If 90° < θ < 180° and cotθ = -1/3, then cscθ =

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.

The difference between tax advoidance and tax evasion