Trigonometric Identities

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Across
  1. 5. 4π/3 to degrees is equivalent to ___________
  2. 6. Has a radius of 1 unit and its center at the origin of the coordinate plane.
  3. 11. It is a square root of 3/3
  4. 16. a branch of mathematics that studies relationships between the sides and angles of triangles.
  5. 17. the length of the opposite side divided by the length of the adjacent side.
  6. 18. There are 360 of these in one revolution of the Unit Circle.
  7. 19. cot (x) is equal to ___
  8. 20. Cos _ degrees results of 1/2
Down
  1. 1. Relates the sines of the angles of a triangle to the lengths of their opposite sides.
  2. 2. The __________ which says that an unknown side can be found from two known sides and the angle between them.
  3. 3. ___ degrees to radians=3π/2
  4. 4. the length of the adjacent side divided by the length of the hypotenuse.
  5. 7. it is a kind of theorem has a formula of a2 + b2 = c2
  6. 8. It is the side of a right-angled triangle that is opposite the right angle.
  7. 9. 11π/6 to degrees to _______
  8. 10. the length of the opposite side divided by the length of the hypotenuse.
  9. 12. Measure of a central angle that intercepts an arc with a length equal to the radius of the circle.
  10. 13. It is a cosec degree, is equal to 1
  11. 14. On the Unit Circle: 1 over the y-value when the angle is measured in the standard way.
  12. 15. It is 1 over square root of three