Unit 6a Lesson 6

θWhat 2 Quadrants is sin θ positive in?

• 1 & 2

• 1 & 4

• 1 & 3

• 2 & 3

Tags

CCSS.HSF.TF.A.2

What 2 Quadrants is cos θ positive in?

• 1 & 2

• 1 & 4

• 1 & 3

• 2 & 3

Tags

CCSS.HSF.TF.A.2

What 2 Quadrants is tan θ positive in?

• 1 & 2

• 1 & 4

• 1 & 3

• 2 & 3

Tags

CCSS.HSF.TF.A.2

What 2 Quadrants is sin θ negative in?

• 1 & 4

• 3 & 4

• 2 & 4

• 2 & 3

Tags

CCSS.HSF.TF.A.2

What 2 Quadrants is cos θ negative in?

• 1 & 4

• 3 & 4

• 2 & 4

• 2 & 3

Tags

CCSS.HSF.TF.A.2

What 2 Quadrants is tan θ negative in?

• 1 & 4

• 3 & 4

• 2 & 4

• 2 & 3

Tags

CCSS.HSF.TF.A.2

If θ is an angle on the unit circle, what is the value of cos²θ + sin²θ ?

• 1

• 3.14

• 2

• 2π

Tags

CCSS.HSF.TF.C.8

If the point (x, y) is on the unit circle, what is the value of x² + y² ?

• 1

• 3.14

• 2

• 2π

• (cos , sin )

Tags

CCSS.HSF.TF.A.2

If cos θ = 0.4 and is in quadrant 4, what else is true?

Select ALL that apply.

• sin θ is positive

• sin θ is negative

• tan θ = -0.92 / 0.4

• tan θ = 0.4 / 0.92

• 0.4² + sin² = 1

Tags

CCSS.HSF.TF.C.8

If cos θ = - 0.5 and is in quadrant 2, what else is true?

Select ALL that apply.

• sin θ is positive

• sin θ is negative

• tan θ = 0.87 / 0.5

• tan θ = 0.5 / -0.87

• (-0.5)² + sin² = 1

Tags

CCSS.HSF.TF.C.8