TEKS.MATH.9-12.III.A.3

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• sin x
• cos x
• tan x
• csc x

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TEKS.MATH.9-12.III.A.3

Set up the problem.

• sin(47) = x/28
• cos(47) = x/28
• tan(47) = x/28
• cos(47) = 28/x

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TEKS.MATH.9-12.III.A.3

What is the cos of 2π/3?

• -√2/2
• √3/2
• -1/2
• 0

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TEKS.MATH.9-12.III.A.3

What the coordinates of 270° on the unit circle?

• 0, 1
• 1, 0
• -1, 0
• 0, -1

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TEKS.MATH.9-12.III.A.3

Using reference angles, find the exact value of sin(300⁰).

• 1/2
• -1/2
• √3/2
• -√3/2

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TEKS.MATH.9-12.III.A.3

What is the longest side of a right triangle called?

• Leg A
• Leg B
• Hypotenuse
• Pythagoras' Big Buddy

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TEKS.MATH.9-12.III.A.3

What is the radian equivalent to -60^o

• 5π/6
• 5π/3
• π/3
• π/6

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TEKS.MATH.9-12.III.A.3

What is the correct ratio?

• 20/12
• 12/20
• 12/16
• 16/12

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TEKS.MATH.9-12.III.A.3

Choose the correct ratio.

• sin(37)=x/14
• cos(37)=x/14
• tan(37)=x/14
• sin(37)=14/x

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TEKS.MATH.9-12.III.A.3

Solve on the domain [0,2π)
cos x + 1 = 0

• 0
• No solution
• π
• 3π/2

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TEKS.MATH.9-12.III.A.3