Inverse Trig

What is cos^-1(½)?

• ¼π, 45⁰
• ⅓π, 60⁰
• ½π, 90⁰
• π, 180⁰

What is tan(cos^-1(-1))?

• undefined
• 0
• ½
• 1

What is tan(sin^-1(1))?

• undefined
• 0
• ½
• 1

Evaluate cos^-1[tan(¾π)]  or  cos^-1[tan(135⁰)]

• 0
• ½π, 90⁰
• ¾π, 135⁰
• π, 180⁰

Which of these has the same value as cot^-1(3)?

• tan (3)
• cot (⅓)
• tan^-1(⅓)
• 3 tan^-1(⅓)

Which of these has the same value as sec^-1(2)?

• cos^-1(2)
• cos^-1(½)
• sin^-1(½)
• csc^-1(2)

Evaluate csc^-1(2)

• -⅓π, -60⁰
• ⅓π, 60⁰
• ⅔π, 120⁰
• ⅙π, 30⁰

Evaluate sec^-1(-2)

• -⅓π, -60⁰
• ⅓π, 60⁰
• ⅔π, 120⁰
• ⅙π, 30⁰

• -π/3
• 4π/3
• -2π/3
• 2π/3

• 0
• π/2
• 2π
• 3π