Trig - Unit Circle

Question 1

Sin(45) =

Answer 1

Sine (45) = 1 / √2
= √2 / 2

Question 2

Cos (45) =

Answer 2

Cos (45) = 1 / √2
= √2 / 2

Question 3

Sin (60) =

Answer 3

Sin (60) = √3 / 2

Question 4

Sin (30) =

Answer 4

Sin (30) = 1 / 2

Question 5

Cos (60) =

Answer 5

Cos (60) = 1 / 2

Question 6

Cos (30) =

Answer 6

Cos (30) = √3 / 2

Question 7

Tan (45)

Answer 7

Tan (45) = 1

Question 8

Tan (60) =

Answer 8

Tan (60) = 1 / √3
= √3 / 3

Question 9

Tan (60) =

Answer 9

Tan (60) = √3