PreCalc Unit Circle

cos(π/3)

1/2

sin(π/3)

√3/2

tan(π/3)

√3

cos(π/4)

√2/2

sin(π/4)

√2/2

tan(π/4)

1

cos(π/6)

√3/2

sin(π/6)

1/2

tan(π/6)

√3/3

cos(π/2)

0

sin(π/2)

1

tan(π/2)

undefined

cos(2π/3)

-1/2

sin(2π/3)

√3/2

tan(2π/3)

-√3

cos(3π/4)

-√2/2

sin(3π/4)

√2/2

tan(3π/4)

-1

cos(5π/6)

-√3/2

sin(5π/6)

1/2

tan(5π/6)

-√3/3

cos(π)

-1

sin(π)

0

tan(π)

0

cos(7π/6)

-√3/2

sin(7π/6)

-1/2

tan(7π/6)

√3/3

cos(5π/4)

-√2/2

sin(5π/4)

-√2/2

tan(5π/4)

1

cos(4π/3)

-1/2

sin(4π/3)

-√3/2

tan(4π/3)

√3

cos(3π/2)

0

sin(3π/2)

-1

tan(3π/2)

undefined

cos(5π/3)

1/2

sin(5π/3)

-√3/2

tan(5π/3)

-√3

cos(7π/4)

√2/2

sin(7π/4)

-√2/2

tan(7π/4)

-1

cos(11π/6)

√3/2

sin(11π/6)

-1/2

tan(11π/6)

-√3/3

cos(2π) or cos(0)

1

sin(2π) or sin(0)

0

tan(2π) or tan(0)

0

2π or 0

360° or 0°

π/6

30°

π/4

45°

π/3

60°

π/2

90°

2π/3

120°

3π/4

135°

5π/6

150°

π

180°

7π/6

210°

5π/4

225°

4π/3

240°

3π/2

270°

5π/3

300°

7π/4

315°

11π/6

330°