Math 2 Unit 4 Test

Front

What is the mnemonic to remember trigonometric ratios?

Back

SOH CAH TOA

Front

What is the sine ratio?

Back

Opposite side / Hypotenuse

Front

What is the cosine ratio?

Back

Adjacent side / Hypotenuse

Front

What is the tangent ratio?

Back

Opposite side / Adjacent side

Front

If sin(θ) = Opp/Hyp, what is the value of sin(30°)?

Back

1/2

Front

If cos(θ) = Adj/Hyp, what is the value of cos(60°)?

Back

1/2

Front

If tan(θ) = Opp/Adj, what is the value of tan(45°)?

Back

1

Front

How do you find the length of a shadow using trigonometry?

Back

Use the formula: Shadow length = Height / tan(θ)

Front

What is the height of a pole if its shadow is 4 m and the sun's elevation is 60°?

Back

Height = Shadow length * tan(60°) = 4√3 m

Front

What is the relationship between the angles and sides in a right triangle?

Back

The ratios of the lengths of the sides are constant for given angles.