Test 4 Review (Pre-Calculus)

What is the principle region for inverse cosine?

• 0 to π

• 0 to 2π

• -π/2 to π/2

• π/2 to 3 π/2

Tags

CCSS.HSF-BF.B.4D

cos^-1(√3/2) =

(Hint: principle region)

• π/3

• 2π/3

• π/6

• 5π/6

Tags

CCSS.HSF.TF.B.7

What is the principle region for inverse sine/inverse tangent?

• 0 to π

• 0 to 2π

• -π/2 to π/2

• π/2 to 3 π/2

Tags

CCSS.HSF-BF.B.4D

Evaluate the function: arcsin(-1/2)

(Hint: principle region)

• π/3

• π/6

• 5π/6

• -π/6

Tags

CCSS.HSF.TF.B.7

arctan (0)

(Hint: Principle Region)

• 1

• 0

• -1

• 0.5

Tags

CCSS.HSF.TF.B.7

Find all values [0,2π]

• π/3

• π/6

• 2π/3

• 5π/6

Tags

CCSS.HSF.TF.B.7

Find all values [0, 2π]

• pi/3

• pi/4

• 3π/4

• 7π/4

Tags

CCSS.HSF.TF.B.7

• 3pi/4
• pi/4
• 5pi/4
• -3pi/4

Tags

CCSS.HSF.TF.B.7

Solve sinθ = ½ on θ∈[0, 2π)

• θ = π / 6,  7π / 6
• θ = π / 6,  5π / 6
• θ = 5π / 6,  7π / 6
• θ = 7π / 6,  11π / 6

Tags

CCSS.HSF.TF.B.7

Solve on the Interval [0,2π)
tan(x)+1=2

• 0 and π  
• 3π/4 and 7π/4
• π/4 and 5π/4
• 3π/4 and 5π/4

Tags

CCSS.HSF.TF.B.7