What is the Pythagorean theorem?

In a right triangle, $$a^2 + b^2 = c^2$$ , where c is the hypotenuse.

What is the relationship between sine and cosine?

$$\sin^2(\theta) + \cos^2(\theta) = 1$$ .

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

Sine is the ratio of the length of the opposite side to the hypotenuse.

If the hypotenuse is 10 and the opposite side is 6, what is the sine of the angle?

$$\frac{6}{10} = \frac{3}{5}$$ .

What is the definition of an adjacent side in a right triangle?

The side that forms one of the angles with the hypotenuse.

ACTIVITY Trigonometric Ratios-Labeling and Writing Trig Ratios Flashcards

Student preview

15 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is the ratio for Cosine?

Back

Tags

CCSS.HSG.SRT.C.6

2.

FLASHCARD QUESTION

Front

What leg is considered the hypotenuse?

Back

The side opposite the right angle.

3.

FLASHCARD QUESTION

Front

Back

DF

4.

FLASHCARD QUESTION

Front

What is the ratio for Sine?

Back

Tags

CCSS.HSG.SRT.C.6

5.

FLASHCARD QUESTION

Front

Back

Tags

CCSS.HSG.SRT.C.6

6.

FLASHCARD QUESTION

Front

What is the ratio for Tangent?

Back

Tags

CCSS.HSG.SRT.C.6

7.

FLASHCARD QUESTION

Front

Define the term 'hypotenuse'.

Back

The longest side of a right triangle, opposite the right angle.

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