What is the inverse sine function?

The inverse sine function (sin^-1 or arcsin) is used to find the angle whose sine is a given number.

What is the formula for finding the distance in a right triangle?

To find the distance (d) in a right triangle, use the formula: $$d = \text{hypotenuse} \times \text{cos}(\theta)$$ for the adjacent side or $$d = \text{hypotenuse} \times \text{sin}(\theta)$$ for the opposite side.

What is the sine ratio for angle A in a right triangle?

The sine ratio for angle A is defined as: $$\text{sin}(A) = \frac{\text{opposite}}{\text{hypotenuse}}$$ .

How do you calculate the height of a tree using trigonometry?

To calculate the height of a tree, measure the distance from the tree and the angle of elevation to the top of the tree, then use: $$h = d \times \text{tan}(\theta)$$ .

What is the cosine ratio for angle A in a right triangle?

The cosine ratio for angle A is defined as: $$\text{cos}(A) = \frac{\text{adjacent}}{\text{hypotenuse}}$$ .

How do you find the angle using the sine function?

To find the angle using the sine function, use the formula: $$\theta = \text{sin}^{-1}igg(\frac{\text{opposite}}{\text{hypotenuse}}igg)$$ .

What is the relationship between the sides of a right triangle?

In a right triangle, the lengths of the sides are related by the Pythagorean theorem: $$c^2 = a^2 + b^2$$ , where c is the hypotenuse.

Right Triangle Trig Flashcards

Student preview

15 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is a right triangle?

Back

A right triangle is a triangle that has one angle measuring 90 degrees.

Tags

CCSS.4.G.A.2

2.

FLASHCARD QUESTION

Front

What is the Pythagorean theorem?

Back

Tags

CCSS.8.G.B.8

3.

FLASHCARD QUESTION

Front

What is the sine function?

Back

The sine function (sin) is a trigonometric function defined as the ratio of the length of the opposite side to the length of the hypotenuse in a right triangle.

Tags

CCSS.HSG.SRT.C.6

4.

FLASHCARD QUESTION

Front

What is the cosine function?

Back

The cosine function (cos) is a trigonometric function defined as the ratio of the length of the adjacent side to the length of the hypotenuse in a right triangle.

Tags

CCSS.HSG.SRT.C.6

5.

FLASHCARD QUESTION

Front

What is the tangent function?

Back

The tangent function (tan) is a trigonometric function defined as the ratio of the length of the opposite side to the length of the adjacent side in a right triangle.

Tags

CCSS.HSG.SRT.C.6

6.

FLASHCARD QUESTION

Front

How do you find the height of an object using a ladder?

Back

Tags

CCSS.HSG.SRT.C.8

7.

FLASHCARD QUESTION

Front

What is the relationship between sine and cosine?

Back

Tags

CCSS.HSF.TF.C.8

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