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

What is the acronym to help you remember the ratios to use in trigonometry?

• RIGHTANG
• SOHCAHTOA
• SHOCHATOA

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

What is the exact value of cos 135°

• √2/2
• -√2/2
• √3/2
• -√3/2

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

π/2 is equal to how many degrees?

• 180°
• 90°
• 135°
• 240°

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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

sin(315^o)

• √2/2
• -√3/2
• ½
• -√2/2

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

What is 3π/4 radians in degrees?

• 315
• 135
• 150
• 330

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

Find a coterminal angle to -90°.

• -450°

• 90°

• 180°

• -180°

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

What is a complete circle in radians?

• π
• 2π
• 1/2 π
• 1

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

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

• y/r
• x/r
• r/y
• y/x

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

Identify the Positive angle in both radians and degrees that represent point H.

• $150\degree,\ \frac{5\pi}{6}$

• $135\degree,\ \frac{3\pi}{4}$

• $180\degree,\ \pi$

• $210\degree,\ \frac{7\pi}{6}$

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