Across
- 3. angle/Angle formed between the center line of a radar beam as it strikes a reflecting surface and the perpendicular drawn to that reflecting surface.
- 6. of sines/
- 9. periodic function is a function that repeats its values in regular intervals or periods
- 10. is a measurement of plane angle
- 12. side of a right triangle opposite the right angle
- 15. the magnitude of change in the oscillating variable with each oscillation within an oscillating system
- 16. The reciprocal of the tangent of an angle in a right triangle
- 18. formula/Area = √s(s - a)(s - b)(s - c)
Down
- 1. A straight line intersecting a curve at two or more points
- 2. s is half the perimeter, or (a + b + c)/2.
- 3. Maths of or relating to a number or quantity divided into one
- 4. ratio of opposite over adjacent
- 5. ratio of adjacent over Hypotenuse
- 7. of trigonometry stating that the lengths of the sides of any triangle are proportional to the sines of the opposite angleslaw of cosines/
- 8. unit of angular measure equal to the angle subtended at the center of a circle by an arc equal in length to the radius of the circle, approximately 57°1744.6".
- 11. reciprocal of the sine of an angle in a right triangle
- 13. locus of points in the plane which are precisely one unit from the origin.
- 14. ratio of opposite over Hypotenuse
- 17. circle/