Trig.

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Across
  1. 2. another measurement of an angle in terms of the radius
  2. 5. Tanx= Sin/Cos , Cot=Cos/Sin
  3. 8. used to fine the area of a SSS Triangle
  4. 10. opposite/adjacent
  5. 11. Secant, cosecant and cotangent are _______ to sine, cosine and tangent
  6. 13. adjacent/hypotenuse
  7. 14. a full repetition around the unit circle
  8. 17. a^2=b^2+c^2-2bc cosa, b^2=a^2+c^2-2ac CosB, c^2=a^2+b^2-2ab CosY
  9. 18. reciprocal of cosine
  10. 19. angles are measured in these
Down
  1. 1. reciprocal of tangent
  2. 3. subtract 360 degrees from the given angle until there is less than 360 degrees left.
  3. 4. a circle with a radius of one
  4. 6. Angle greater than 90 degrees
  5. 7. opposite/Hypotenuse
  6. 9. the height of a wave
  7. 12. reciprocal of sine
  8. 15. The side opposite the right angle in a right-angled triangle
  9. 16. angles less than 90 degrees