Speed Trig Unit Circle

In which quadrant are ALL trig functions positive?

Tags

CCSS.HSF.TF.A.2

In which quadrants are SINE functions positive?

Tags

CCSS.HSF.TF.A.2

In which quadrants are TANGENT functions positive?

Tags

CCSS.HSF.TF.A.2

Place the labels where they belong on the unit circle.

a

b

c

d

e

f

g

y axis

origin

x axis

Tags

CCSS.HSF.TF.A.2

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

• Adj

• y

• Opp

• OP

• Hyp

• x

Tags

CCSS.HSG.SRT.C.6

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

Tags

CCSS.HSF.TF.A.2

• sinθ

• OP

• cosθ

• 1

Tags

CCSS.HSF.TF.A.2

• undefined

Answer explanation

Tags

CCSS.HSF.TF.C.9

Tags

CCSS.HSG.SRT.C.8

In which quadrants are COSINE functions positive?

Tags

CCSS.HSF.TF.A.2