## 5 Questions

Match the following angle measurements with their equivalent radian measurements:

$360°$ = $2\pi$ radians $180°$ = $\pi$ radians $90°$ = $\frac{\pi},{2}$ radians $45°$ = $\frac{\pi},{4}$ radians

Match the following radian measurements with their equivalent degree measurements:

$2\pi$ = $360°$ $\pi$ = $180°$ $\frac{\pi},{2}$ = $90°$ $\frac{\pi},{4}$ = $45°$

Match the following terms with their definitions:

Radian = A unit of angle, equal to an angle at the center of a circle whose arc is equal in length to the radius. Degree = A unit of angle, equal to $1/360$ of a full circle. Unit Circle = A circle with radius 1. Trigonometric functions = Functions that are related to the angles of a triangle.

Match the following trigonometric functions with their definitions:

Sine = In a right triangle, the ratio of the length of the side opposite the angle to the length of the hypotenuse. Cosine = In a right triangle, the ratio of the length of the adjacent side to the length of the hypotenuse. Tangent = In a right triangle, the ratio of the length of the opposite side to the length of the adjacent side. Cotangent = In a right triangle, the ratio of the length of the adjacent side to the length of the opposite side.

Match the following symbols with their meanings in the context of trigonometry:

$θ$ = A variable often used to represent an angle in mathematics. $π$ = The ratio of the circumference of any circle to its diameter. $s$ = The length of the corresponding arc on the unit circle. $360°$ = The degree measurement of a full circle.

## Study Notes

### Trigonometry Conversions

- Convert angle measurements from degrees to radians
- Convert radian measurements to degrees

### Trigonometry Terminology

- Match terms with their definitions in trigonometry

### Trigonometric Functions

- Match functions with their definitions, including:
- Sine
- Cosine
- Tangent
- Cotangent
- Secant
- Cosecant

### Trigonometric Symbols

- Match symbols with their meanings in trigonometry, including:
- ° (degrees)
- rad (radians)
- sin (sine)
- cos (cosine)
- tan (tangent)
- cot (cotangent)
- sec (secant)
- csc (cosecant)

Test your knowledge on the limit of trigonometric functions with this quiz. Explore the concept of angle measures in degrees and radians and learn how they relate to the circumference of a circle. Challenge yourself with questions on finding the radian measure of a 360° angle and more.

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