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

3/4✔ 4/34/53/5

Revolt · Accepted Answer

4/3

Question 3

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

Revolt · Accepted Answer

Option D

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

What are the values of the three trigonometric ratios for angle L, in simplest form? sin(L) = cos(L) = tan(L) =

Revolt · Accepted Answer

4/5; Selection 1: 4/5; Selection 2: 3/5; Selection 3: 4/3

Question 6

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

Revolt · Accepted Answer

NM = x; LM =; tan(45°) = 1

Question 7

Use the diagram and side lengths of triangle RST to determine the angles used for the trigonometric ratios. sin() = tan() =

Revolt · Accepted Answer

R; Selection 1: R; Selection 2: T

Question 8

What additional information would be necessary to determine sin(A) without using the Pythagorean theorem? Explain.

Revolt · Accepted Answer

The length of BC is needed because it is the side opposite ∠A.

Question 9

5✔ 10X 50100

Revolt · Accepted Answer

X 50

Question 10

What is the value of tan(60°)?

Revolt · Accepted Answer

Answer image: //media.edgenuity.com/EVresources/729e0633cc9f9d986590703a40352d87.png

Trigonometric Ratios Answers