Flashcards in Unit 1 Deck (39)

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0

## Sin 0

### 0

1

## Sin pi/6

### 1/2

2

## sin pi/4

### 1/(radical 2) = (radical 2)/2

3

## Sin pi/3

### (radical 3)/2

4

## sin pi/2

### 1

5

## sin pi

### 0

6

## sin (3 pi)/2

### -1

7

## sin (2 pi)

### 0

8

## cos 0

### 1

9

## cos (pi/6)

### (radical 3)/2

10

## cos (pi/4)

### 1/(radical 2) = (radical 2)/2

11

## cos (pi/3)

### 1/2

12

## cos (pi/2)

### 0

13

## cos pi

### -1

14

## cos (3 pi/2)

### 0

15

## cos (2 pi)

### 1

16

## tan 0

### 0

17

## tan (pi/6)

### 1/(radical 3) = (radical 3)/3

18

## tan (pi/4)

### 1

19

## tan (pi/3)

### radical 3

20

## tan (pi/2)

### undefined

21

##
tan ø

(in terms of sine and/or cosine)

### (sin ø)/(cos ø)

22

##
cot ø

(in terms of sine and/or cosine)

### 1/(tan ø)

23

##
csc ø

(in terms of sine and/or cosine)

### 1/(sin ø)

24

##
sec ø

(in terms of sine and/or cosine)

### 1/(cos ø)

25

## Point-slope form of a linear equation

### Y-Y1=m(X-X1)

26

## An even function is...

###
...symmetric with respect to the y-axis, like y=x^2, y=cos x, or y=absolutev(x)

f(-x)=f(x)

27

## An odd function is...

###
...symmetrical with respect to the origin, like y=x^3, y=sin x, or y=tan x

f(-x)=-f(x)

28

## Two formulas for area of a triangle

###
A=1/2(bh)

A=1/2(absinC)

29