Trig.

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