CCSS.Math.Content.HSF.TF.A.2

How many "key points" should be included in every cycle/period of a sine or cosine graph?

• As many as I want
• It depends on the graph
• 4
• 5

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CCSS.Math.Content.HSF.TF.A.2

Which quadrant is -570⁰

• I
• II
• III
• IV

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CCSS.Math.Content.HSF.TF.A.2

What is the radian equivalent to -60^o

• 5π/6
• 5π/3
• π/3
• π/6

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CCSS.Math.Content.HSF.TF.A.2

240°

• 2π/3
• 5π/6
• 4π/3
• 3π/4

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CCSS.Math.Content.HSF.TF.A.2

Where does the graph of cosine begin?

• (0,0)
• (0,1)
• (0, Pi)
• (1, Pi)

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CCSS.Math.Content.HSF.TF.A.2

sin(315^o)

• √2/2
• -√3/2
• ½
• -√2/2

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CCSS.Math.Content.HSF.TF.A.2

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.A.2

What is 120 degrees in radians?
 

• 2π/3
• π/3
• 5π/3
• 4π/3

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CCSS.Math.Content.HSF.TF.A.2

What are the negative and positive coterminal angles of 240°?

• 540°, -120°

• 600°, -120°

• 425°, -240°

• 120°, -135°

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CCSS.Math.Content.HSF.TF.A.2

TRUE or FALSE:
There is NO SOLUTION to sinθ = -1.

• TRUE
• FALSE

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CCSS.Math.Content.HSF.TF.A.2