CCSS.Math.Content.HSF.TF.A.3

What is the reference angle for 240 degrees?

• 60 degrees
• 30 degrees
• 45 degrees
• 210 degrees

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CCSS.Math.Content.HSF.TF.A.3

Find x.

• 9
• 3√3
• 6
• 6√3

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CCSS.Math.Content.HSF.TF.A.3

Based on your unit circle cos(30^o)=

• 1
• 1/2
• sqt3/2
• sqt2/2

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CCSS.Math.Content.HSF.TF.A.3

If the leg of a 45-45-90 triangle is 7 cm long, then its hypotenuse is _____ cm.

• 7√2
• 49√2
• 7
• 7√7

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CCSS.Math.Content.HSF.TF.A.3

cos 90^o

• 0

• 1

• -1

• und

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CCSS.Math.Content.HSF.TF.A.3

What is π/3 radians in degrees? 

• 30
• 60
• 360
• 90

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CCSS.Math.Content.HSF.TF.A.3

What is the value of sine at 210°?

• 1/2

• -1/2

• √3 / 2

• -√3 / 2

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CCSS.Math.Content.HSF.TF.A.3

In this 45-45-90 triangle, I have been given a leg, so to find the other leg I...

• Multiply that leg by 2
• Use the same length for the second leg
• Multiply that leg by √2
• Divide that leg by √2

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CCSS.Math.Content.HSF.TF.A.3

Evaluate:  arctan(1)

• π/6
• π/4
• π/3
• π/2

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CCSS.Math.Content.HSF.TF.A.3

Find y.

• 8√2

• 4√2

• 4

• 8

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CCSS.Math.Content.HSF.TF.A.3