katsin math crossword (no stealing or use anywhere else allowed!<3)

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Across
  1. 2. the function that yields zero at 90 degrees
  2. 3. the interchange of the rows and columns of a matrix
  3. 6. the sum of many small parts to find the whole
  4. 7. the longest side of a right angled triangle
  5. 8. the ____ and shoes property
Down
  1. 1. the Bayes' Theorem is used in
  2. 4. the line that touches a curve at a single point
  3. 5. the root of a negative number
  4. 6. the money paid on the principal sum