chapter 8 special trig ratios Flashcards Preview

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Flashcards in chapter 8 special trig ratios Deck (18):
1

sin 45

sqrt2/2

2

cos 45

sqrt2/2

3

tan 45

1

4

sin 30

1/2

5

cos 30

sqrt3/2

6

tan 30

sqrt3/3

7

sin 60

sqrt3/3

8

cos 60

1/2

9

tan 60

sqrt3

10

45-45-90 triangle

leg 1 = x
leg 2 = x
hypotenuse= x(sqrt2)

11

30-60-90 triangle

shorter leg= x
longer leg= x(sqrt3)
hypotenuse= 2x

12

y axis=

sin

13

x axis=

cos

14

radius =

1

15

(cos, sin)

you should know that dummy.

16

30 degrees from 0,0 -

(sqrt3/2 , 1/2)

17

45 degrees form 0,0 -

(sqrt2/2, sqrt2/2)

18

60 degrees from 0,0 -

(1/2, sqrt3/2)