Unit Circle Review

Which pair are not co-functions?

• sin θ & cos θ
• tan θ & cot θ
• sec θ & sin θ
• sec θ & csc θ

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

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(30^o)=

• 1
• 1/2
• sqt3/2
• sqt2/2

Tags

CCSS.HSF.TF.A.2

Tangent is...

• a. Opposite/hypotenuse
• b. sine/cosine
• c. neither a or b
• d. both a and b

Tags

CCSS.HSG.SRT.C.6

For what angles are sine and cosine the same?

• 0^o
• 45^o and 135⁰
• 45^o and 225⁰
• 45^o and 315⁰

Tags

CCSS.HSG.SRT.C.7

What are the negative and positive coterminal angles of -225 degrees?

• 375°, -600°
• 125°, -356°
• 135°, -585°
• 60°, -120°

Tags

CCSS.HSF.TF.A.2

CCSS.HSF.TF.A.4

What are the negative and positive coterminal angles of 240 degrees?

• 540°, -120°
• 600°, -120°
• 425°, -240°
• 120°, -135°

What are the negative and positive coterminal angles of -300 degrees?

• 60°, -600°
• 135°, -476°
• 60°, -125°
• 220°, -340°

Tags

CCSS.HSF.TF.A.2

CCSS.HSF.TF.A.4

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

• 1
• 0
• -1
• 1/2

Tags

CCSS.HSF.TF.A.2