Unit Circle 3

What is the radius of the unit circle?

• 1
• 2
• 10
• It varies.

Tags

CCSS.HSF.TF.A.2

The sine of any angle on the unit circle is the y-coordinate.

• True
• False

Tags

CCSS.HSF.TF.A.2

The cosine of any angle on the unit circle is the y-coordinate.

• True
• False

Tags

CCSS.HSF.TF.A.2

What is sin30^o?

• 1
• 1/2
• √3/2
• √2/2

Tags

CCSS.HSG.SRT.C.7

What is the cos135^o?

• √3/2
• -√3/2
• √2/2
• -√2/2

Tags

CCSS.HSF.TF.A.2

What is cos240^o?

• 1/2
• -1/2
• √3/2
• -√3/2

Tags

CCSS.HSF.TF.A.2

What is cos225^o?

• -√3/2
• -1/2
• -√2/2
• √2/2

Tags

CCSS.HSF.TF.A.2

• 4π/3
• π/2
• 3π/2
• 7π/6

Tags

CCSS.HSG.SRT.C.8

• π/2
• π/3
• π/4
• π/6

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