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

Solve for a and b in the special right triangle.

• a = 5, b = 5
• a = 10, b = 10√2
• a = 10√2, b = 10√2
• a = 5√2, b = 5√2

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

Sove this basic trigonometry function
tan(x)csc(x) 

• tanx
• secx
• cotx
• cscx

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

sin(0°)

• 0
• 1/2
• √3/2
• 1

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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 are the coordinates of  210° on the unit circle?

• (−√3/2, −1/2)
• (√3/2, −1/2)
• (−√3/2, 1/2)
• (−1/2,−√3/2 )

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

What the coordinates of 180° on the unit circle?

• 0, 1
• 1, 0
• -1, 0
• 0, -1

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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

What is the ratio for Sine?

• Opposite Leg / Adjacent Leg
• Opposite Leg /  Hypotenuse
• Adjacent Leg / Hypotenuse
• Adjacent Leg / Opposite Leg

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

Solve for x.

• x = 2√6
• x = √33
• x = 12
• x = 8

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

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

• y

• x

• 1/y

• y/x

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