Precalculus S2 Final Vocab Crossword

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Across
  1. 2. a figure used to help evaluate a trig function
  2. 5. when the vertex of an angle is at the origin and the initial side lies along the positive x-axis
  3. 6. perpendicular
  4. 10. used to find the area of an SSS triangle
  5. 11. the length of one cycle of a sinusoidal wave
  6. 12. half the height of a sinusoidal wave
  7. 14. the acute angle measured between a ray and the north-south axis
  8. 15. used to solve SAA and SSA triangles
  9. 16. the form of a complex number that uses the radius and the directed angle measure
  10. 17. used to solve SAS and SSS triangles
  11. 19. the length of a vector
  12. 20. the distance from the origin to the point representing a complex number
Down
  1. 1. a directed line segment that has both magnitude and direction
  2. 2. z=a+bi
  3. 3. used to find the roots of complex numbers in polar form
  4. 4. when two angles with different measures have the same initial and terminal sides
  5. 7. the ray where the measurement of an angle begins
  6. 8. the point where the initial side and terminal side of an angle meet
  7. 9. the ray where the measurement of an angle ends
  8. 11. a horizontal ray that extends to the right in the polar coordinate system
  9. 13. a horizontal translation
  10. 18. the endpoint of the polar axis