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

Solve for u and v in the special right triangle.

• v = 9√3, u = 6√3
• v = 6√3 u = 9√3
• v = 9, u = 6√3
• v = 3√6, u = 6√3

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

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• tan² x
• cos² x
• cot² x
• csc² x

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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

A 25ft ladder is leaning up against a wall. If the ladder makes a 63^o with the ground, how far is the base of the ladder from the wall?

• 12.4 ft
• 11.3 ft
• 22.3 ft
• 49.1 ft

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

What would you use to solve for a?

• sin
• cos
• tan
• Pythagorean theorem

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

 Find sin C
 

• 21/35
• 28/21
• 35/28
• 28/35

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

Given sin(θ) = 3/5 and 90 ≤ θ ≤ 180, what is cot(θ)?

• 4/5
• -4/5
• -4/3
• 4/3

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

Find the measure of the angle.  Round to the nearest tenth. 

• 66.4
• 63.4
• 47.8
• 69.4

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

Calculate the length of BC

• 24
• 20
• 27
• 23

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

Find the measure of the indicated angle (?) round to the nearest tenth.

• 9.4

• 55.2

• 20.15

• 19.4

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