Trig Flashcard: Special Right Triangles and Unit Circle

Trig Flashcard: Special Right Triangles and Unit Circle

Assessment

Flashcard

Mathematics

10th Grade

Hard

CCSS
HSF.TF.A.2, 8.G.B.8, 8.G.A.5

+1

Standards-aligned

Created by

Wayground Content

FREE Resource

Student preview

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16 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is a 30-60-90 triangle?

Back

A special right triangle where the angles are 30 degrees, 60 degrees, and 90 degrees. The sides are in the ratio 1:√3:2.

Tags

CCSS.8.G.B.8

2.

FLASHCARD QUESTION

Front

What is a 45-45-90 triangle?

Back

A special right triangle where the angles are both 45 degrees and the sides are in the ratio 1:1:√2.

Tags

CCSS.8.G.B.8

3.

FLASHCARD QUESTION

Front

How do you find the length of the long leg in a 30-60-90 triangle?

Back

Multiply the length of the short leg by √3.

Tags

CCSS.8.G.B.8

4.

FLASHCARD QUESTION

Front

How do you find the length of the short leg in a 30-60-90 triangle?

Back

Divide the length of the long leg by √3.

Tags

CCSS.8.G.B.8

5.

FLASHCARD QUESTION

Front

What is the value of sin(θ) in the first quadrant?

Back

sin(θ) is positive in the first quadrant.

Tags

CCSS.HSF.TF.A.2

6.

FLASHCARD QUESTION

Front

What is the value of cos(θ) in the second quadrant?

Back

cos(θ) is negative in the second quadrant.

Tags

CCSS.HSF.TF.A.2

7.

FLASHCARD QUESTION

Front

What is the value of tan(θ) in the third quadrant?

Back

tan(θ) is positive in the third quadrant.

Tags

CCSS.HSF.TF.A.2

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