Exact Trig Values from Unit Circle

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

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• 
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• The correct answer is not listed

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

• 1

• 0

• -1

• undefined

• The correct answer is not listed

sin π =

• 0

• 1

• -1 

• undefined

cos π =

• 0

• 1

• -1 

• undefined

• A

• B

• C

• D

• -½
• ½
• √3/2
• -√3/2

• A
• B
• C
• D

• ½
• √2/2
• √3/2
• 1

• A

• B

• C

• D

• A
• B
• C
• D