Inverse Trig Functions on the Unit Circle

arctan(-1)

• 3π/2

• π/4

• -π/4

• 3π/4 and 7π/4

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

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

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

Evaluate: cos^-1(√3/2)

• π/3

• 2π/3

• π/6

• 5π/6

• A
• B
• C
• D

sin^-1(-1) =

• π/2

• 0

• -1

• -π/2

What is cos^-1(½)?

• ¼π, 45⁰

• ⅓π, 60⁰

• ½π, 90⁰

• π, 180⁰

What range of angles for inverse cosine?

• [0, π]

• [0, 2π]

• [-π/2, π/2]

• [π/2, 3π/2]

What is the RANGE of angles for inverse sine?

• [0, π]

• [-1, 1]

• [-π/2, π/2]

• (-∞, ∞)