Second Semester PreCalc Final

What range of angles can you get from inverse sine?

• 0 to π
• 0 to 2π
• -π/2 to π/2
• π/2 to 3 π/2

Tags

CCSS.HSF-BF.B.4D

• A
• B
• C
• D

Tags

CCSS.HSF.TF.B.7

• A
• B
• C
• D

Tags

CCSS.HSF.TF.B.7

Solve
cosθ = - √(3)/2  
on θ∈[0, 2π)

• θ = π /3, 2π /3
• θ = 2π /3, 4π /3
• θ = π /6, 5π /6
• θ = 5π /6, 7π /6

Tags

CCSS.HSF.TF.B.7

Solve on the Interval [0,2π)
1/2sec x - 1 = 0

• π/6, 5π/6
• π/3, 5π/3
• 2π/3, 4π/3
• 7π/6, 11π/6

Tags

CCSS.HSF.TF.B.7

What is one possible solution?

• π

• π/3

• π/2

• -π

Tags

CCSS.HSF.TF.B.7

Solve

sin²θ = ½

on θ∈[0, 2π)

• θ = π /4, 7π /4

• θ = π /4, 3π /4

• θ = 3π /4, 5π /4

• θ = π /4, 3π /4, 5π /4, 7π /4

Tags

CCSS.HSF.TF.B.7

• A
• B
• C
• D

Tags

CCSS.HSF.TF.B.7

• A
• B
• C
• D

Tags

CCSS.HSF.TF.B.7

Which of the following angles are solutions to:

4cos²(2x) - 2 = 0? From 0 - 2π

• π/4, 3π/4, 5π/4, 7π/4

• π/4, 3π/4, 5π/4, 7π/4, 9π/4, 11π/4, 13π/4, 15π/4

• π/8, 3π/8, 5π/8, 7π/8

• π/8, 3π/8, 5π/8, 7π/8, 9π/8, 11π/8, 13π/8, 15π/8

Tags

CCSS.HSF.TF.B.7