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

sin 7π/6

• 1/2
• -1/2
• √3/2
• -√3/2

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

What leg is considered the hypotenuse?

• Any side
• the side opposite the smallest angle
• the side opposite the right angle
• the side opposite the shortest leg

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

What is cos 90°?

• ½
• undefined
• 1
• 0

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

Find x round to the nearest tenth.

• 46.1
• 4.9
• 16.4
• 26.9

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

Which one is the easy way to learn 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

Determine el valor de "x" en el siguiente triángulo rectángulo:

• 
• 
• 
• 

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

tan²x + 1 =

• csc²x

• sec²x

• sec²x - 1

• cscx

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

Find the measure of  $\angle\ B$  

• 30

• 45

• 60

• 90

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

Which of the following is false?

• $\sin\left(-x\right)=-\sin\left(x\right)$

• $\cos\left(-x\right)=-\cos\left(x\right)$

• $\tan\left(-x\right)=-\tan\left(x\right)$

• $\cot\left(-x\right)=-\cot\left(x\right)$

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

What is an easy way to remember trigonometric ratios?

• SAH COH TAO

• SOH CAH TOA

• SAH COH TOA

• SOH CAH TOH

Answer explanation

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