Math

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Across
  1. 3. A plane figure with three straight sides and three angles.
  2. 5. method for calculating the area of a triangle when you know the lengths of all three sides
  3. 7. A unit of measurement of angles
  4. 9. The longest side of a right triangle
  5. 11. opposite over adjacent
  6. 12. the quantity obtained by dividing the number by one
  7. 15. A round plane figure whose boundary (the circumference) consists of points equidistant from a fixed center.
  8. 16. a law stating that the square of a side of a plane triangle is equal to the sum of the squares of the other two sides minus twice the product of the other sides multiplied by the cosine of the angle between them.
  9. 20. the reciprocal of sine.
Down
  1. 1. sine over cotangent
  2. 2. opposite over hypotenuse
  3. 4. is the smallest angle between the terminal side and the x-axis.
  4. 6. a law stating that the ratio of a side of a plane triangle to the sine of the opposite angle is the same for all three sides
  5. 8. a circle with a radius of one.
  6. 10. makes grath wave longer horizontally
  7. 13. equal to an angle at the center of a circle whose arc is equal in length to the radius.
  8. 14. makes wave lengths taller
  9. 17. adjacent over hypotenuse
  10. 18. The ratio of the hypotenuse to the shorter side adjacent to an acute angle
  11. 19. Mathematics