Across
- 1. The height of a wave or the maximum value of a trig function
- 3. Relating to the theorem a² + b² = c²
- 4. Formula relating sides and angles in any triangle
- 8. Reciprocal of sine
- 9. Reciprocal of cosine
- 12. The figure formed by two rays with a common endpoint
- 13. The length of one full cycle of a trig function
- 15. Equation true for all values of the variable
- 16. One of the four sections of the coordinate plane
- 17. Ratio of the opposite side to the adjacent side
- 18. Circle with radius 1 used to define trig functions
Down
- 2. Unit for measuring angles, with 360 in a full rotation
- 5. The side across from a given angle in a triangle
- 6. Function that reverses another trig function
- 7. Reciprocal of tangent
- 10. The side next to a given angle, but not the hypotenuse
- 11. The longest side of a right triangle, opposite the right angle
- 14. Ratio of the opposite side to the hypotenuse in a right triangle
- 19. Ratio of the adjacent side to the hypotenuse
- 20. A unit of angle measure based on the radius of a circle