Flashcards in Unit Circle, Harmonic Motion. Deck (26)

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1

## 30°

### π/6 (√3/2, 1/2)

2

## 45°

### π/4 (√2/2, √2/2)

3

## 60°

### π/3 (1/2, √3/2)

4

## 90°

### π/2 (0,1)

5

## 120°

### 2π/3 (-1/2, √3/2)

6

## 135°

### 3π/4 (-√2/2, √2/2)

7

## 150°

### 5π/6 (-√3/2, 1/2)

8

## 180°

### π (-1,0)

9

## 210°

### 7π/6 (-√3/2, -1/2)

10

## 225°

### 5π/4 (-√2/2, -√2/2)

11

## 240°

### 4π/3 (-1/2, -√3/2)

12

## 270°

### 3π/2 (0, -1)

13

## 300°

### 5π/3 (1/2, -√3/2)

14

## 315°

### 7π/4 (√2/2, -√2/2)

15

## 330°

### 11π/6 (√3/2, -1/2)

16

## 0°

### 0 (1,0)

17

## Period-

### Amount of time it takes to complete one cycle.

18

## Harmonic Motion Formula-

### d = asinwt or d= acoswt

19

## w=

### b

20

## Frequency-

### the number of cycles completed per unit of time

21

## Frequency formula-

### reciprocal of the period: w/2π

22

## Period formula-

### 2π/w

23

## Amplitude

### |a|

24

## Tangent=

### sin/cos

25

## Coordinates on Unit Circle=

### (cos, sin) (x,y)

26