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

Based on your unit circle sin(30^o)=

• sqt2/2
• 1/2
• 1
• sqt3/2

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

Which of these is NOT
 a solution to
tan θ = 0 ?

• θ = 0
• θ = π /2
• θ = π
• θ = 2π

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

Which Trig function do you use?

• Sine
• Cosine
• Tangent

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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 measure of ∠3?

• 55
• 155
• 45
• 135

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

What is the length of y in this 45-45-90 triangle?

• 8√2
• 4√2
• 4
• 8

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

If angle B is the focus angle, what would side BC be labeled as?

• Adjacent
• Hypotenuse
• Opposite

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

What is 11π/6 radians in degrees? 

• 30
• 330
• 360
•  300

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

Which Law would you use?

• Law of Sines
• Law of Cosines
• Law of the Jungle
• Law of Gravity

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

I have been given a hypotenuse in this 45-45-90 triangle.  How do I find the length of a leg of the triangle?

• Multiply by √2
• Divide by √2
• It's the same length as the hypotenuse.
• Divide by 2

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