Find Trig Values Using the Unit Circle

• 1
• -1
• 0
• √2/2

cos π =

• 0

• 1

• -1 

• undefined

Choose the best match for the graph.

• 30^o

• 45^o

• 60^o

• 90^o

Choose the best match for the graph.

• 45^o

• 90^o

• 135^o

• 180^o

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

• y

• x

• x/y

• y/x

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

• y

• x

• x/y

• y/x

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

• y/r

• x/r

• r/y

• y/x

Using the Unit Circle, find the exact value of this trig function.

• 
• 
• 
• 
• The correct answer is not listed

cosθ is positive in

• the 1st and 2nd quadrants

• the 1st and 3rd quadrants

• the 1st and 4th quadrants

• the 2nd and 3rd quadrants

Choose the best match for the graph.

• 30^o

• 45^o

• 60^o

• 90^o