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

Evaluate: csc[cos^-1(√3/2)]

• 2
• -2
• 2√3/3
• -2√3/3

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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

Which is the correct set up to solve for x?

• sin 72 = 6 / x
• cos 72 = 6 / x
• tan 72 = 6 / x

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

Is the given angle of 70 degrees, an angle of elevation or an angle of depression?

• Angle of Elevation
• Angle of Depression
• Neither
• Both

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

Which trigonometric ratio should you use?

• Tangent Ratio

• Sine Ratio

• Cosine Ratio

• Any ratio

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

The Pythagorean Theorem is
c² = a² - b²  

• false
• true

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

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

• y/r
• x/r
• r/y
• y/x

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

What is the angle measure, in degrees, at the red marking on the unit circle?

• 30°
• 45°
• 60°
• 90°

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

tan(3π/4)

• √2/2
• -√2/2
• √3/2
• -1

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

Which Law would you use?

• Law of Sines, but use inverse to find angle measure

• Law of Cosines, but use inverse to find angle measure

• Law of the Jungle, and watch out for the poison dart frog

• Law of Gravity, and watch out for the apples falling from the tree

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