Trig Review

1 - cos²x = ?

• sin² x
• tan² x
• cot² x
• csc² x

sinx/cosx = ?

• csc x
• sec x
• cot x
• tan x

1 - sin²x = ?

• tan² x
• cos² x
• cot² x
• csc² x

Tags

CCSS.HSF.TF.C.8

• a
• b
• c
• d

Given sin ⊖ = 1/2 and cos⊖ = √3/2 , find the exact value for tan⊖

• (-2√3)/3
• (2√3)/3
• 2
• √3/3

Convert to radians: 15°.

• π/18
• π/12
• π/6
• 19π/90

Tags

CCSS.HSF.TF.A.1

CCSS.HSF.TF.A.2

CCSS.HSG.C.B.5

What is 240 degrees in radians? 

• π/3
• 4π/3
• 5π/3
• 2π/3

Tags

CCSS.HSF.TF.A.1

CCSS.HSF.TF.A.2

CCSS.HSG.C.B.5

Convert to degrees: 3π/4

• 105°
• 120°
• 135°
• 150°

Tags

CCSS.HSF.TF.A.3

Convert to degrees: 4π/3

• 210°
• 225°
• 240°
• 250°

Tags

CCSS.HSF.TF.A.1

sin π/4

• √2∕2
• 1/2
• √3/2
• 0

Tags

CCSS.HSF.TF.A.3