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

Find t to the nearest degree using sin

• 30
• 40
• 31
• 41

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

To get from point A to point B you must avoid walking through a pond.  To avoid the pond, you must walk 34 meters south and 41 meters east.  To the nearest meter, how many meters would be saved if it were possible to walk through the pond? 

• 35
• 22
• 58
• 75

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

What is the measure of side c?

• 7
• 7/√2
• 7√2
• 14

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

Which equation would be used to solve for x?

• x²+25²=32²
• cos(25)= x/32
• tan^-1(32/25)
• cos^-1(25/32)

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

Dustin is stuck at the top of a Ferris wheel. His mother is standing 38 feet from the base of the wheel watching him. If the angle of elevation from Dustin's mom to Dustin is 73^o, how far off the ground is Dustin? 

• 118.2 ft
• 120.9 ft
• 124.3 ft
• 126.5 ft

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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

QR is a midsegment of triangle BCD. Solve for the value of x.

• 11
• 18
• 9
• -7

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

Simplify: sin x cot x

• cos x

• sin x

• tan x

• sec x

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

Solve
cos²θ = ½ 
on θ∈[0, 2π)

• θ = π /4, 7π /4
• θ = π /4, 3π /4
• θ = 3π /4, 5π /4
• θ = π /4, 3π /4, 5π /4, 7π /4

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

cos (π/4)

• √3/2
• √2/2
• 1/2
• 1

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