Allyssa trig puzzle

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Across
  1. 3. identities: trig identities showing the relationship between sine and cosine, tangent and cotangent, secant and cosecant. The value of a trig function of an angle equals the value of the cofunction of the complement of that angle.
  2. 6. the inverse function of sine (not the inverse of the sine)
  3. 10. the inverse function of secant. (Not the inverse of the secant)
  4. 12. The ratio of the side opposite to an acute angle and a hypotenuse of a right triangle.
  5. 15. The ratio of the side opposite of an acute angle and the side adjacent to that acute angle in a
  6. 16. angles: angles that share the same terminal side and are therefore separated by 360°.
  7. 17. triangle.
  8. 18. the inverse function of cotangent (not the inverse of cotangent
Down
  1. 1. the reciprocal of tangent
  2. 2. the inverse function of cosine. (Not the inverse of the cosine)
  3. 4. a method of indicating direction.
  4. 5. the inverse function of tangent. (Not the inverse of the tangent)
  5. 7. the reciprocal of cosine.
  6. 8. The ratio of the side adjacent to an acute angle in the hypotenuse of a right triangle
  7. 9. side: the Ray that begins the angle.
  8. 11. next to; neighboring argument of a vector: the angle describing the direction of the vector.
  9. 13. The reciprocal of Sine.
  10. 14. side: the Ray terminates the angle
  11. 19. the inverse function of cosecant. (Not the inverse of the cosecant)