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

Co-terminal angles for 10^o, include:

• 350^o, -pi/18, 17pi/18, and -370^o
• -350^o, pi/18, -17pi/18, and 370^o
• 350^o, pi/18, 17pi/18, and 370^o
• -350^o, -pi/18, -17pi/18, and -370^o

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

Which is the ratio of the legs in a right triangle?

• tangent
• sine
• cosine
• secant

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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

complementary, supplementary, or neither?

• Complementary
• Supplementary
• Neither

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

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

• 16
• 30
• 34

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

BCDE is square.  Find m∠BFC

• 45
• 90
• 180
• 40

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

Which one is the easy way to remember trigonometric ratios?

• Sah Coh Toa
• Soh Cah Toa
• Soh Cah Tao
• Soh Ceh Toa

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

What is 60 degrees in radians? 

• 2π/3
• π/3
• 4π/3
• π/6

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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

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