CU 9.4-9.5

CU 9.4-9.5

Assessment

Flashcard

Mathematics

9th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the definition of tangent (tan) in a right triangle?

Back

The ratio of the length of the opposite side to the length of the adjacent side.

2.

FLASHCARD QUESTION

Front

How do you find the sine (sin) of an angle in a right triangle?

Back

The ratio of the length of the opposite side to the length of the hypotenuse.

3.

FLASHCARD QUESTION

Front

What is the definition of cosine (cos) in a right triangle?

Back

The ratio of the length of the adjacent side to the length of the hypotenuse.

4.

FLASHCARD QUESTION

Front

What is the angle of elevation?

Back

The angle formed by a horizontal line and the line of sight to an object above the horizontal line.

5.

FLASHCARD QUESTION

Front

What is the angle of depression?

Back

The angle formed by a horizontal line and the line of sight to an object below the horizontal line.

6.

FLASHCARD QUESTION

Front

If the height of a tree is represented as 'h' and the distance from the tree is 'd', how can you express tan(θ)?

Back

tan(θ) = h/d, where θ is the angle of elevation.

7.

FLASHCARD QUESTION

Front

What is the relationship between sin, cos, and tan?

Back

tan(θ) = sin(θ)/cos(θ).

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