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

Which is the ratio of the legs in a right triangle?

• tangent
• sine
• cosine
• secant

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

What are x and y in this 30-60-90 triangle?

• x = 6 y = 3√3
• x = 1.5√3 y =1.5
• x = 3√3 y = 6
• x = √3 y = 2√3

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

What is the length of y in this picture?

• 45
• 5√2
• 90
• 5

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

Find the length of the missing side. 

• 20 in.
• 68 in.
• 16 in.
• 80 in.

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

Solve for the misssing distance

• 18.9 meters
• 19.5 meters
• 47.2 meters
• 27.5 meters

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

Is this a pythagorean identity?
tan²x + 1 = secx

• Yes
• No

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

Find the value of x.

• 18
• 18√3
• 36√3
• 12

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

sin(cos^-1(0))=

• 0
• 1
• π/2
• π

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

Which of the following is NOT
a solution to
sin θ = √(3) / 2 ?

• π / 3
• 2π / 3
• 5π / 3
• 7π / 3

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

Find a.

• 4

• 2

• 4√2

• 2√4

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