Unit Circle: Cosine

0.0(0)
Studied by 0 people
call kaiCall Kai
learnLearn
examPractice Test
spaced repetitionSpaced Repetition
heart puzzleMatch
flashcardsFlashcards
GameKnowt Play
Card Sorting

1/16

flashcard set

Earn XP

Description and Tags

Pre-Calculus

17 Terms

1
New cards

cos(330 degrees), cos(11pi/6)

√3/2 2

2
New cards

cos(315 degrees), cos(7pi/4)

√2/2

3
New cards

cos(360 degrees), cos(2pi)

1

4
New cards

cos(300 degrees), cos (5pi/3)

1/2 2

5
New cards

cos(270 degrees), cos(3pi/2)

0

6
New cards

cos(240 degrees), cos(4pi/3)

-1/2 2

7
New cards

cos(225 degrees), cos(5pi/4)

-√2/2 2

8
New cards

cos(210 degrees), cos(7pi/6)

-√3/2 2

9
New cards

cos(180 degrees), cos(pi)

-1

10
New cards

cos(135 degrees), cos(3pi/4)

-√2/2 1

11
New cards

cos(120 degrees), cos(2pi/3)

-1/2 1

12
New cards

cos(150 degrees), cos(5pi/6)

-√3/2 1

13
New cards

cos(90 degrees), cos(pi/2)

0

14
New cards

cos(60 degrees), cos(pi/3)

1/2 1

15
New cards

cos(45 degrees), cos(pi/4)

√2/2=0.707

16
New cards

cos(30 degrees), cos(pi/6)

√3/2 1

17
New cards

cos(0 degrees), cos(0 radians)

1