Pre-Calculus Chapter 5 Review

Simplify: sin x cot x

• cos x

• sin x

• tan x

• sec x

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSF.IF.C.8

CCSS.HSF.TF.C.8

Simplify: csc x sin x

• tan x

• 1

• sec x

• cos x

Tags

CCSS.HSF.IF.C.8

• csc²θ
• sec²θ
• cscθ
• 1

Tags

CCSS.HSF.TF.C.8

• secθ
• cos²θ
• sin²θ
• sin²θ/cos²θ

Tags

CCSS.HSF.TF.C.8

True or False:
 $\cos\ 48º=\cos18º\cos30º+\sin18º\sin30º$  

• True

• False

Tags

CCSS.HSF.TF.C.9

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 domain [0,2π)
cos x + 1 = 0

• 0
• No solution
• π
• 3π/2

Tags

CCSS.HSF.TF.B.7

Which of the following is a solution of the equation

√3 sec θ = 2

• -π/3

• π/6

• π/4

• π

Tags

CCSS.HSF.TF.B.7

Solve for 0≤x≤2π

2sin²x - sinx = 0

• 0, π, 2π

• π/2, 3π/2

• π/6, 5π/6

• π/3, 2π/3

Tags

CCSS.HSF.TF.B.7

Which of the following are equivalent to cos2u?

•  $\cos^2u-\sin^2u$  

•  $2\cos^2u-1$  

•  $1-2\sin^2u$  

•  $1-\sin^2u$  

•  $\sin^2u-\cos^2u$  

Tags

CCSS.HSF.IF.C.8

CCSS.HSF.TF.C.8

CCSS.HSF.TF.C.9