Maddox Rivero Trigonometry CA#3

2. Negative b plus/minus square root of b squared minus 4ac all divided by 2a
4. Cosine/Sine
5. a trick to quickly find exact sine, cosine, and tangent values for special angles (0°, 30°, 45°, 60°, 90°) using your hand
6. a triangle with one 90-degree angle
7. represent roots of numbers, indicating what number multiplied by itself (or itself 'n' times) yields the radicand (the number inside)
9. the rotation of a ray around the vertex to a new position, measured in degrees or radians
10. any angle greater than 0 degrees but less than 90 degrees
13. formulas involving trigonometric functions that are used to simplify expressions and solve equations
14. angles which are always positive and acute, that represent the smallest angle between the terminal side of an angle and the x-axis, simplifying trigonometric calculations
16. a unit for measuring angles, defined as the angle at the center of a circle that subtends an arc whose length is equal to the circle's radius
17. the longest side of a right-angled triangle, always located directly opposite the 90-degree angle
18. a directed line segment that has a magnitude and a direction. Also has a given length, and an arrow indicating direction
20. triangles with the same shape but different sizes, meaning their corresponding angles are equal, and their corresponding sides are proportional (in the same ratio)

1. angles in standard position that lies exactly on the x-axis or y-axis
3. a theorem attributed to Pythagoras that the square of the hypotenuse of a right triangle is equal to the sum of the squares of the other two sides.
8. Sine/Cosine
11. defines trigonometric functions at special angles using a circle on a coordinate plane
12. a unit for measuring angles
15. the process of rewriting an expression or equation as a product of simpler ones
19. defines a direction as an angle measured from a reference point, typically moves clockwise from North, used for navigation and spatial problems