unit circle (basic trig)

Question 1

what coordinate corresponds to π/3?

Answer 1

(1/2, √3/2)

Question 2

what coordinate corresponds to π/4?

Answer 2

(√2/2, √2/2)

Question 3

what coordinate corresponds to π/6?

Answer 3

(√3/2, 1/2)

Question 4

what coordinate corresponds to 2π?

Answer 4

(1,0)

Question 5

what coordinate corresponds to π/2?

Answer 5

(0,1)

Question 6

what coordinate corresponds to π?

Answer 6

(-1,0)

Question 7

what coordinate corresponds to 3π/2?

Answer 7

(0,-1)

Question 8

which coordinate corresponds to cosine? (x or y)

Answer 8

x

Question 9

which coordinate corresponds to sine? (x or y)

Answer 9

y

Question 10

what is cos(0)?

Answer 10

1

Question 11

what is sin(0)?

Answer 11

1

Question 12

cos(90)

Answer 12

0

Question 13

cos(270)

Answer 13

0

Question 14

cos(210)

Answer 14

-√3/2

Question 15

sin(135)

Answer 15

√2/2

Question 16

cos(330)

Answer 16

√3/2

Question 17

sin(270)

Answer 17

-1

Question 18

cos(180)

Answer 18

-1

Question 19

sin(210)

Answer 19

-1/2

Question 20

cos(30)

Answer 20

√3/2

Question 21

cos(135)

Answer 21

-√2/2

Question 22

cos(315)

Answer 22

√2/2

Question 23

cos(150)

Answer 23

-√3/2

Question 24

cos(240)

Answer 24

-1/2

Question 25

cos(120)

Answer 25

-1/2

Question 26

sin(180)

Answer 26

0

Question 27

cos(225)

Answer 27

-√2/2

Question 28

sin(60)

Answer 28

√3/2

Question 29

sin(45)

Answer 29

√2/2

Question 30

cos(45)

Answer 30

√2/2

Question 31

sin(330)

Answer 31

-1/2

Question 32

sin(90)

Answer 32

1

Question 33

sin(150)

Answer 33

1/2

Question 34

sin(300)

Answer 34

-√3/2

Question 35

sin(120)

Answer 35

√3/2

Question 36

sin(225)

Answer 36

-√2/2

Question 37

sin(30)

Answer 37

1/2

Question 38

sin(360)

Answer 38

0

Question 39

sin(240)

Answer 39

-√3/2

Question 40

cos(360)

Answer 40

1