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

Based on your unit circle cos(0^o)=

• 1
• 0
• -1
• 1/2

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

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

• It is the same length as the given leg.
• Multiply that leg's length by √2.
• Multiply that leg's length by 2.
• Divide that leg's length by √2.

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

What is the length of the side adjacent to ∠C?

• 30
• 40
• 50

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

What is the ratio for Cosine?

• Opp/Hyp
• Opp/Adj
• Adj/Opp
• Adj/Hyp

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

What is the correct equation to solve for x ?

• tan (58) = x/11
• tan (58) = 11/x
• cos (58) = x/11
• sin (58) = x/11

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

What is csc(x) equivalent to?

• 1/sin(x)
• 1/tan(x)
• sin(x)
• 1/cos(x)

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

cos (π/2)

• 0
• √2/2
• 1/2
• 1

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

What is the exact value?

• √2
• √2 / 2
• 1
• 1 / √2

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

Which of the following is the sine of angle A in this right triangle?

• ⁵/₁₃

• ⁵/₁₂

• ¹²/₁₃

• ¹²/₅

• ¹³/₅

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

sin 180^o

• 0

• 1

• -1

• und

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