Degrees and Quadrants

What is cos 30°?

• ^√3/₂

• ½

• ^√2/₂

• 1

Tags

CCSS.HSF.TF.A.2

Based on your unit circle cos(0^o)=

• 1

• 0

• -1

• 1/2

Tags

CCSS.HSF.TF.A.2

Based on your unit circle sin(90^o)=

• 1/2

• 0

• -1

• 1

Tags

CCSS.HSF.TF.A.2

What is the value of sine at 210°?

• 1/2

• -1/2

• √3 / 2

• -√3 / 2

Tags

CCSS.HSF.TF.A.2

What is the value of cosine at 135°?

• 0

• 1/2

• √2 /2

• -√2 /2

Tags

CCSS.HSF.TF.A.2

Identify the Positive angle in both radians and degrees that represent point H.

Tags

CCSS.HSF.TF.A.1

Identify the Positive angle in both radians and degrees that represent point L.

Tags

CCSS.HSF.TF.A.2

sinθ is positive in

• the 1st and 2nd quadrants

• the 1st and 3rd quadrants

• the 1st and 4th quadrants

• the 2nd and 3rd quadrants

Tags

CCSS.HSF.TF.A.2

What is the exact value of cos 330°

• -1/2

• -√3/2

• 1/2

• √3/2

Tags

CCSS.HSF.TF.A.2

If sin A < 0 and  cos A < 0, then what quadrant is A in?

• I

• II

• III

• IV

Tags

CCSS.HSF.TF.A.2