Across
- 2. function: A function that repeats itself in regular intervals.
- 3. A set of all possible outputs of a function.
- 5. A ratio of the length of the adjacent side to the length of the hypotenuse in a right-angled triangle.
- 8. A part of a function that dictates the exact correspondence between the elements of one set and the elements of another set.
- 10. A reciprocal of the tangent function.
- 13. circle: A circle whose center is at the origin and whose radius is one.
- 16. A theorem that states that in a right-angled triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the other two sides.
- 18. A set of all possible inputs of a function.
Down
- 1. functions: There are six trigonometric functions: Sine, cosine, tangent, cosecant, secant, and cotangent.
- 2. A repeating interval of a periodic function.
- 4. An operation that assigns a correspondence from elements of one set to elements of another set.
- 6. A reciprocal of the cosine function.
- 7. formulae: A Formulas that express trigonometric functions of multiple angles in terms of trigonometric functions of single angles.
- 9. A ratio of the length of the side opposite a given angle to the length of the adjacent side in a right-angled triangle.
- 10. A reciprocal of the sine function.
- 11. trigonometric functions: A functions that determine the angle of a right-angled triangle when the lengths of the sides are known.
- 12. A ratio of the length of the side opposite a given angle to the length of the hypotenuse in a
- 14. of cosines: A law that relates the sides of a triangle to the cosine of one of its angles.
- 15. angle: A positive acute angle formed between the terminal side of an angle and the x-axis.
- 17. of sines: A law that relates the sides of a triangle to the sines of its angles.