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

Find the measure of the missing angle.

• 64^o
• 26^o
• 61^o
• .008^o

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

secθ=

• 1/cosθ
• 1/sinθ
• 1/tanθ
• 1/cscθ

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

Find the distance.

• 9.7
• 10.7
• 11.7
• 12.7

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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 equation can be used to solve for x?

• Sin(40°)= x/40 
• Sin(40º)=x/19
• Cos(40º)=x/19
• Tan(40°)=19/x

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

When verifying you must first ...

• pick a side to simplify 
• find a trig. identity 
• Change to sine and cosine
• Change Values

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

If a triangle has one angle exactly 90° and two equal sides, what type of triangle is it?

• Right Isosceles
• Acute Scalene
• Obtuse Scalene
• Obtuse Isosceles

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

Utiliza el Teorema de Pitágoras para realizar el  ejercicio. Calcula el lado desconocido.

• 3
• 9
• 25
• 16

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

A 5 ft ladder is leaning against a wall and sliding towards the floor. The top of the ladder is sliding down the wall at a rate of 2 ft/sec. How fast is the base of the ladder sliding away from the wall when the base of the ladder is 3 ft from the wall?

• 4/3 ft/sec

• 8/7 ft/sec

• 1 ft/sec

• 8/3 ft/sec

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

Find sin(-240°)

• (√3)/2)

• (-1/2)

• (√2/2)

• (1/2)

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