Trigonometric Ratios

Question 1

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 2

✔ 3/53/44/55/4

Revolt · Accepted Answer

✔ 3/5

Question 3

3/5✔ 4/33/45/4

Revolt · Accepted Answer

✔ 4/3

Question 4

3/4✔ 4/34/53/5

Revolt · Accepted Answer

✔ 4/3

Question 5

5✔ 10X 50100

Revolt · Accepted Answer

X 50

Question 6

What are the values of the three trigonometric ratios for angle L, in simplest form?

Revolt · Accepted Answer

✔ 4/5; sin(L) =: 4/5; cos(L) =: 3/5; tan(L) =: 4/3

Question 7

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

Revolt · Accepted Answer

NM = x; LM =; tan(45°) = 1

Question 8

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

Revolt · Accepted Answer

✔ R; sin() =: R; tan() =: T

Question 9

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 10

What is the value of tan(60°)?

Revolt · Accepted Answer

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

Trigonometric Ratios Answers