Trig functions (unit circle degrees)

1. Tan 0

• 0

• undefined

• 1

• -1

1. sin 0

• 0

• undefined

• 1

• -1

cos(30)

• 1

sin(30)

• 1

tan(45)

• 1

sin(120)

• 1

cos(120)

• 1

tan(120)

• 1

sin(270)

• 0

• -1

• 1

• undefined

cos(270)

• 0

• -1

• 1

• undefined