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Unit Circle

Authored by Anthony Clark

Mathematics

12th Grade

20 Questions

CCSS covered

Unit Circle
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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

sin(30o)=

sqt2/2

1/2

1

sqt3/2

Tags

CCSS.HSF.TF.A.2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

sin(150o)=

sqt2/2

1/2

1

sqt3/2

Tags

CCSS.HSF.TF.A.2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

cos(2π/3)

-√2/2

√3/2

-1/2

0

Tags

CCSS.HSF.TF.A.2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

cos pi/6
sin pi/4
cos pi/3
tan pi/4

Tags

CCSS.HSF.TF.A.2

5.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Media Image

Which angle satisfies the equation cosx = 0? Select all that apply

x = π/2

x = π

x = 240º

x = 270º

Tags

CCSS.HSF.TF.B.7

6.

DRAG AND DROP QUESTION

1 min • 4 pts

Media Image

Unlike right triangle trigonometry, sine and cosine may be negative. Thinking about how sine, cosine, and tangent relate to (x,y) coordinate pairs on the unit circle, find the quadrants where: cosine is positive: ​ (a)   ​& (b)   cosine is negative: ​ ​ (c)   &​ (d)  

I

IV

II

III

Tags

CCSS.HSF.TF.A.2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

1/2

undefined-1

Tags

CCSS.HSF.TF.A.2

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