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

What is the value of y?

• 8√2
• 2√2
• 12
• 16

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

Which Trig function do you use?

• Sine
• Cosine
• Tangent

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

What is the length of y in this 45-45-90 triangle?

• 8√2
• 4√2
• 4
• 8

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

What is tan 90°?

• 1
• undefined
• 0
• ½

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

What is the exact coordinates of  3π/4 on the unit circle?

• (−√2∕2, √2∕2)
• (−√2∕2, −√2∕2)
• (−√3∕2, −√2∕2)
• (√2∕2, −√2∕2)

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

I have been given the short leg in this 30-60-90 triangle.  How do I find the length of the hypotenuse?

• Multiply 4 by 2
• Multiply 4 by √3
• Multiply 4 by √2
• Divide 4 by √3

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

Convert the polar coordinates to rectangular form.
(6, 2π/3)

• ( -3, 3)
• (3, 3√3)
• (-3, 3√3)
• (3, -3√3)

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

Which equation gives the correct value for RQ?

• tan 60=90/RQ

• sin 60=90/RQ

• cos 60=90/RQ

• tan 60=90/x

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

cos^-1(tan(-π/4))

• 0
• π
• π/4
• 3π/4

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

Which ratio would you use to solve for x?

• Sine ratio
• Cosine ratio
• Tangent ratio

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