Evaluate Trig Functions on the Unit Circle

• The domain is restricted to QI and QII on the unit circle.

• The domain is restricted to QI and QIV on the unit circle.

sin 7π/6

• 1/2

• -1/2

• √3/2

• -√3/2

cos 150^o

• -1/2

• 1/2

• √3/2

• -√3/2

Mathematical Equivalence

ON

Evaluate: csc(3π/4)

Mathematical Equivalence

ON

Mathematical Equivalence

ON

sec 3π/2

• 0

• undefined

• 1

• -1

cot 3π/4

• -√2/2

• -1

• 1

• √2/2