CCSS.Math.Content.HSF.TF.C.8

cos(π)=

• 0
• 1
• -1
• 1/2

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CCSS.Math.Content.HSF.TF.C.8

sin 7π/6

• 1/2
• -1/2
• √3/2
• -√3/2

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CCSS.Math.Content.HSF.TF.C.8

Please select the correct solution 
cos ² x + sin ² x=  

• 1
• csc ² x + sec ² x
• sin ² x
• 1 - sin ² x

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CCSS.Math.Content.HSF.TF.C.8

Given sin(θ) = 3/5 and 90 ≤ θ ≤ 180, what is cot(θ)?

• 4/5
• -4/5
• -4/3
• 4/3

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CCSS.Math.Content.HSF.TF.C.8

cosθ is positive in

• the 1st and 2nd quadrants
• the 1st and 3rd quadrants
• the 1st and 4th quadrants
• the 2nd and 3rd quadrants

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CCSS.Math.Content.HSF.TF.C.8

Name the quadrant in which ∠A lies, if tanA < 0, cosA < 0

• 4

• 3

• 2

• 1

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CCSS.Math.Content.HSF.TF.C.8

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

• y

• x

• 1/y

• y/x

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CCSS.Math.Content.HSF.TF.C.8

What are the coordinates of 270° on the unit circle?

• 0, 1

• 1, 0

• -1, 0

• 0, -1

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CCSS.Math.Content.HSF.TF.C.8

Find the exact value of sin 2x if sin x = 12/13 and x is in the first quadrant. 

• 120/169
• 25/169
• 60/169
• 5/13

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CCSS.Math.Content.HSF.TF.C.8

1 - cos²x =

• sec²x

• csc²x

• sin²x

• sec²x - 1

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CCSS.Math.Content.HSF.TF.C.8