Lesson 3: Trigonometric Ratios

Question 1

Which statements are true for triangle LNM? Check all that apply.

Revolt · Accepted Answer

The side opposite ∠L is NM.; The side opposite ∠N is ML.; The hypotenuse is LN.

Question 2

✔ ABC

Revolt · Accepted Answer

✔ A

Question 3

What is the value of cos(X)?

Revolt · Accepted Answer

3/5

Question 4

Use the diagram and side lengths of triangle RST to determine the angles used for the trigonometric ratios.

Revolt · Accepted Answer

sin() =: R; tan() =: T

Question 5

RS✔ T

Revolt · Accepted Answer

✔ T

Question 6

Identify the triangle that contains an acute angle for which the sine and cosine ratios are equal.

Revolt · Accepted Answer

[Image: Triangle A B C has angle measures 60 degrees, 30 d...]

Question 7

sin(L) =

Revolt · Accepted Answer

4/5

Question 8

Which statements are true regarding triangle LMN? Check all that apply.

Revolt · Accepted Answer

NM = x; LM =; tan(45°) = 1

Question 9

What are the angles that make the trigonometric statements true?

Revolt · Accepted Answer

✔ A; sin() = cos(B): A; sin(B) = cos(): A

Question 10

What did you include in your response? Check all that apply.

Revolt · Accepted Answer

The hypotenuse is the longest side.; The ratio’s denominator will be larger than the numerator.; The larger denominator implies the ratio will be less than 1.

Lesson 3: Trigonometric Ratios Answers

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