CCSS.Math.Content.HSF.TF.A.4

Which equation?

• y= -cos(2x)
• y= cos(2x)
• y= (1/2)cosx
• y= (-1/2)cosx

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CCSS.Math.Content.HSF.TF.A.4

16.  Which equation matches the graph?

• -tan(x-π/2)
• -tan(x+π/2)
• cot(x+π/2)
• -cot(x+π/2)

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CCSS.Math.Content.HSF.TF.A.4

What is the period of this equation?
y = -5sin(3x)

• -5
• 2pi/3
• 2pi/5
• 3

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CCSS.Math.Content.HSF.TF.A.4

Which of
A sin B(x – C) + D
affects the period?

• A
• B
• C
• D

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CCSS.Math.Content.HSF.TF.A.4

Based on your unit circle cos(90^o)=

• 1
• 0
• -1
• 1/2

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CCSS.Math.Content.HSF.TF.A.4

The hypotenuse of any right triangle from the center of the unit circle to an edge is always

• 1
• √2/2
• √3/2
• 1/2

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CCSS.Math.Content.HSF.TF.A.4

sin 180^o

• 0

• 1

• -1

• und

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CCSS.Math.Content.HSF.TF.A.4

Find a coterminal angle to 5°.

• 365°

• 255°

• -220°

• -365°

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CCSS.Math.Content.HSF.TF.A.4

Find cos(600°)

• (-1/2)

• (-√3/2)

• (√3/2)

• (√2/2)

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CCSS.Math.Content.HSF.TF.A.4

What is 7π/4 radians in degrees?

• 300
• 135
• 315
• 45

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CCSS.Math.Content.HSF.TF.A.4