Intro to Trigonometry in Geometry

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What is the ratio for Sine?

• Hyp/Opp

• Opp/Hyp

• Opp/Adj

• Adj/Opp

What is the ratio for Cosine?

• Opp/Hyp

• Opp/Adj

• Adj/Opp

• Adj/Hyp

What is the ratio for Tangent

• Opp/Adj

• Adj/Opp

• Opp/Hyp

• Hyp/Opp

To solve for the missing angle, what trig equation do we set up?

Which trigonometric ratio should you use?

• Tangent Ratio

• Sine Ratio

• Cosine Ratio

• Any ratio

Which trigonometric ratio should you use?

• Tangent Ratio

• Sine Ratio

• Cosine Ratio

• Any ratio

Which side length is the hypotenuse?

• 20

• 29

• 21

• there is no hypotenuse

Find the value of sin X.

• 20/29

• 29/20

• 20/21

• 21/29

Find the value of cos X.

• 20/29

• 29/20

• 20/21

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