Trigonometric Ratios and the Unit Circle

What is the radius of a unit circle?

• 1

• 2

• 1/2

• 0

Tags

CCSS.HSF.TF.A.2

1/Tan x =

• cos x

• csc x

• sec x

• cot x

Tags

CCSS.HSF.TF.A.2

Give the Ratio for SIN X

• opp/adj

• Adj/hyp

• Opp/hyp
  

• adj/opp

Tags

CCSS.HSG.SRT.C.6

Give the Ratio for COS X

• Adj/Hyp

• Opp/Adj

• Adj/Opp

• Opp/Hyp

Tags

CCSS.HSG.SRT.C.6

What is the radius of the unit circle?

• 0

• 1

• 1/2

• √2/2

Tags

CCSS.HSF.TF.A.2

• 1
• 2
• 3
• 4

Tags

CCSS.HSF.TF.A.2

What type of circle plays a large role in understanding trig functions?

• An elliptic circle

• The unit circle

• The perfect circle

• The Pythagorean circle

Tags

CCSS.HSF.TF.A.2

What is the order of the coordinate pairs for the points on the Unit Circle?

Tags

CCSS.HSF.TF.A.2

What is the length of the hypotenuse of the triangle? (Think about it as a radius)

OP=___

Label OP on your paper.

Tags

CCSS.HSF.TF.A.2

• undefined

Answer explanation

Tags

CCSS.HSF.TF.C.9