math puzzle

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Across
  1. 3. relating to or expressed in a system of counting based on the number ten
  2. 4. _____ is Time it takes for a wave to complete one cycle.
  3. 5. ______ Trigonometry is The study of the inverses of the six trig functions.
  4. 6. shift _____ translates graph left or right.
  5. 9. the process of removing one number from another
  6. 10. when something is separated into parts or groups, or the way that it is separated
  7. 11. a number that results from dividing one whole number by another, or a small part of something
  8. 13. _____ is the reciprocal of period.
  9. 14. ______ is the inverse function of cosine.
  10. 16. _____ is the magnitude of the wave.
  11. 19. the natural purpose (of something)
  12. 20. ______ is adding up all the values, then divide by how many values.
Down
  1. 1. to find an answer to a problem
  2. 2. the process of adding numbers or amounts together
  3. 7. _____ is a line that a graph gets closer and closer to, but never touches or crosses it.
  4. 8. to add a number to itself a particular number of times
  5. 12. _____ Value makes a negative number positive.
  6. 14. to put something with something else to increase the number
  7. 15. shift _____ translates graph up or down.
  8. 17. _____ is y= vertical shift.
  9. 18. ______ is the inverse function of sine.
  10. 21. ______ is the inverse function of tangent.