Unit Circle & Exact Trig Values

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

cosθ 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

CCSS.HSF.TF.A.4

CCSS.HSF.TF.C.8

tanθ 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

sin π =

• 0
• 1
• -1 
• undefined

Tags

CCSS.HSF.TF.A.2

cos π =

• 0
• 1
• -1 
• undefined

Tags

CCSS.HSF.TF.A.2

Choose the best match for the graph.

• 30^o
• 45^o
• 60^o
• 90^o

Tags

CCSS.HSG.CO.A.1

CCSS.4.MD.C.5B

Choose the best match for the graph.

• 30^o
• 45^o
• 60^o
• 90^o

Tags

CCSS.HSG.CO.A.1

CCSS.4.MD.C.5B

Choose the best match for the graph.

• 30^o
• 45^o
• 60^o
• 90^o

Tags

CCSS.HSG.CO.A.1

CCSS.4.MD.C.5B

Choose the best match for the graph.

• 45^o
• 90^o
• 135^o
• 180^o

Tags

CCSS.HSG.CO.A.1

CCSS.4.MD.C.5B

Based on the unit circle, what is the value of sin?

• y

• x

• x/y

• y/x

Tags

CCSS.HSF.TF.A.2