Sec Csc Cot Unit Circle

cot π/4

• -1

• -√3

• √3

• 1

cotΘ = √3

• 60

• 150

• 210

• 240

What is the radius of the unit circle?

• 0

• 1/2

• 1

• 2

Select ALL trig functions that use x-values

• sin

• cos

• tan

• cot

• sec

• undefined

Answer explanation

• 1
• 2
• 3
• 4

• undefined

Answer explanation

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

OP=___

Label OP on your paper.

Using θ as a reference angle, mark the triangle sides as Opp, Adj, and Hyp. Label these on the triangle on your paper.

• Opp

• OP

• Adj

• y

• Hyp

• x

The Unit Circle has four quadrants such that:

• All quadrants have 90 degrees

• Quadrant IV is between π and 3π/2 radians

• Quadrant III is between 3π/2 and 2π and radians

• Quadrant I is where the acute angles are