Trigonometry Definitions

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Author:
eatenbread
ID:
196369
Filename:
Trigonometry Definitions
Updated:
2013-01-29 16:28:43
Tags:
angle standard position quadrantal reference radian unit circle co terminal sine cosine amplitude frequency period tangent secant cosecant cotangent
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Description:
All the terms you need to know for Trigonometry 1 in Mr. Nardocci's class.
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  1. Angle in Standard Position
    An angle whose initial ray is on the positive side of the x-axis and whose vertex is at the origin.
  2. Reference Angle
    The positive acute angle formed by the terminal ray of an AISP and the x-axis.
  3. Radian Measure
    The length of the intercepted arc divided by the radius (when the angle has its vertex a the center of a circle).
  4. Unit Circle
    A circle whose radius is 1.
  5. Co-terminal Angles
    2 AISP that have the same terminal ray.
  6. Quadrantal Angle
    An AISP that has its terminal ray on the x or y axis.
  7. Sine
    the function that pairs the AISP with the y coordinate of point P*
  8. Cosine
    the function that pairs the AISP with the x coordinate of point P
  9. Amplitude
    Half the difference of y-max and y-min
  10. Frequency
    The number of cycles drawn from 0 to 2pi.
  11. Period
    The length of the interval necessary to see one full cycle.
  12. Tangent
    The function that pairs the AISP with the y coordinate of point P divided by the x coordinate of point P.
  13. Secant
    The function that pairs the AISP with the reciprocal of the x coordinate of point P.
  14. Cosecant
    The function that pairs the AISP with the reciprocal of the y coordinate of point P.
  15. Cotangent
    The function that pairs the AISP with the x coordinate of point P divided by the y coordinate of point P.
  16. Inverse of the Sine
    pairs the y coordinate of point P with the AISP
  17. Inverse of the Cosine
    pairs the x coordinate of point P with the AISP.
  18. Inverse of the Tangent
    pairs the y coordinate of point P divided by the x coordinate of point P with the AISP
  19. Inverse of the Cotangent
    pairs the x coordinate of point P divided by the y coordinate of point P with the AISP
  20. Inverse of the Secant
    pairs the reciprocal of the x coordinate of point P with the AISP
  21. Inverse of the Cosecant
    pairs the reciprocal of the y coordinate of point P with the AISP
  22. Point P
    the point on the unit Circle where the terminal ray of an AISP intersects it

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