Trigonometric Identities

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Across
  1. 1. secx tanx
  2. 5. It is a cosec degree that is equal to 1
  3. 7. −cotθ
  4. 8. Sin^2A+Cos^__= 1
  5. 12. _ degrees to radians= 3π/2
  6. 13. There are 360 of these in one revolution of the Unit Circle.
  7. 15. The length of the opposite side divided by the length of the adjacent side.
  8. 16. cos(−60degrees)
  9. 17. On the Unit Circle: 1 over the y-value when the angle is measured in the standard way.
  10. 19. A measure of a central angle that intercepts an arc with a length equal to the radius of the circle.
  11. 20. 4π/3 to degrees is equivalent to ______
  12. 22. base/hypotenuse
  13. 25. sent
  14. 27. The ______ which says that an unknown side can be found from two known sides and the angle between them.
  15. 28. The length of the adjacent side divided by the length of the hypotenuse.
  16. 29. Has a radius of 1 unit and its center at the origin of the coordinate plane.
Down
  1. 2. cot (-x) is equal to _
  2. 3. It is the side of a right-angled triangle that is opposite the right angle.
  3. 4. 11π/6 to degrees is ______
  4. 6. It is 4π/9
  5. 9. 5 5tan^2θ−5sec^2θ is _
  6. 10. it is a kind of theorem that has a formula of a2 + b2= c2
  7. 11. degrees Reference angle for 180 degrees
  8. 14. The length of the opposite side divided by the length of the hypotenuse.
  9. 18. Cos __ degrees to radians is 1/2
  10. 21. It is a square root of 3/3
  11. 23. A branch of mathematics that studies relationships between the sides and angles of triangles.
  12. 24. 250 degrees Quadrant III
  13. 26. Relates the sines of the angles of a triangle to the lengths of their opposite sides.