# Math C30 Terminology

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 1 2 I P A R A B O L A 3 D D Y 4 5 6 7 C O S E C A N T E T C P 8 9 10 N M N E G A T I V E G H O O S 11 T P R E A V F S I 12 13 I L A T U S R E C T U M N G E Q U A T I O N T I E E O R N T E 14 Y T R C R T C I 15 16 U S E C O N D T R A N S V E R S E T V D T A L C A X I E 17 S E C A N T N N O 18 19 20 21 N G M A C O N I C 22 23 24 D A R E D U C T I O N S O C 25 26 27 F O C A L R A D I I S M N N G S O 28 29 O I R Y I N I T I A L U L Q U O T I E N T 30 C R R A D I U S M N T E N J 31 32 U C P P O S T E E U 33 34 S L O E T E R M I N A L G 35 36 E C O S L O N N H Y P E R B O L A I L T T 37 38 T D I R E C T R I X E 39 S I P O E O S T 40 41 42 Q C E N T R E U T E 43 44 M A J O R C O T A N G E N T D R I 45 R P S T A N D A R D A R E 46 47 N P E R I O D I C 48 U N I T A C 49 D A X I S O F S Y M M E T R Y I L A 50 R E C T A N G U L A R

## Across

2. a set of points equidistant from a fixed point and a fixed straight line

4. reciprocal of sin

8. angles resulting from a clockwise rotation

12. a line parallel to the directrix passing through the focal point

13. a statement of equality that may be satisfied by none, one , or more values of the variable

15. 60 parts of a minute

16. the axis of a hyperbola similar to the major axis in an ellipse

17. reciprocal of cos

20. the curve that results when a cone intersects a plane

23. cos(-x) = cosx is referred to as a _______ identity

25. the distance from a fixed point in an ellipse to the curve

28. another name for stationary ray

29. tanx = sinx/cosx is referred to as a _______ identity

30. the distance from the fixed point of a circle to its circumference

34. another name for revolving ray

36. the set of points such that the absolute value of the difference of their distance from two fixed points is a constant

37. the fixed line of a parabola that never touches or crosses the curve

41. fixed point of a circle

43. longer axis in an ellipse

44. reciprocal of tan

45. an equation in the form (x - h)^2 + (y - k)^2 = r^2

46. the graph of a function repeats itself

48. a circle of radius 1 and centre at the origin

49. a line perpendicular to the directrix in a parabola

50. the hyperbola of the form xy = k

## Down

1. an equation that is satisfied by all values of the variable that are in the domain of each side of the equation

2. sin^2x + cos^2x = 1 is referred to as a ________ identity

3. 1/360 th of a revolution

5. maximum or minimum value of a circular function

6. where is the sine of any angle is equal to the cosine of its complement

7. angles resulting from a counter clockwise rotation

9. an equation in the form Ax^2 + By^2 + Cx + Dy + E = 0

10. reciprocal of csc

11. point of intersection of the axis of symmetry and the curve of a quadratic function

14. (r)/(y-coordinate)

15. an angle with its vertex at the origin and the initial side coincides with x-axis

16. reciprocal of cot

18. 60 parts of a degree

19. formed by revolving a ray about a stationary ray

21. reciprocal of sec

22. a straight line that approaches a curve but never touches it

24. the axis of a hyperbola similar to the minor axis in an ellipse

25. the fixed point of a parabola

26. a set of points a given distancet from a fixedl point

27. shorter axis in an ellipse

31. (side opposite)/(hypotenuse)

33. a set of points the sum of whose distances from two fixed points is a constant

38. (x-coordinate)/(y-coordinate)

39. portion of a circle bounded by two radii and the arc of the circle

40. four regions of a coordinate plane

42. cscx = 1/sinx is referred as a ______ idenitty

45. (r)/(x-coordinate)

47. arc of a circle equal in length ot the radius

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