Unit Circle Review - Degrees

The unit circle...

• Has center at (1,1)
• Has a circumference of 1
• Has a diameter of 1
• Has a radius of 1

Tags

CCSS.HSF.TF.A.1

Based on your unit circle sin(30^o)=

• sqt2/2
• 1/2
• 1
• sqt3/2

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 cos(90^o)=

• 1
• 0
• -1
• 1/2

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

What are the coordinates of  210° on the unit circle?

• (−√3/2, −1/2)
• (√3/2, −1/2)
• (−√3/2, 1/2)
• (−1/2,−√3/2 )

Tags

CCSS.HSF.TF.A.2

What the coordinates of 270° on the unit circle?

• 0, 1
• 1, 0
• -1, 0
• 0, -1

Tags

CCSS.HSF.TF.A.2

One full rotation around the Unit Circle is _________.

• 2 cakes
• 180 degrees
• 360 degrees Celcius
• 2 pi

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

What is positive in Q4?

• all trig functions

• sine

• cosine

• tangent

Tags

CCSS.HSF.TF.A.2

The hypotenuse of any right triangle from the center of the unit circle to an edge is always

• 1
• sqt2/2
• sqt3/2
• 1/2

Tags

CCSS.HSF.TF.A.2