Free Printable Unit Circle

1.

cos (π/4)

a)

√3/2

b)

√2/2

c)

1/2

d)

1

2.

sin (π/2)

a)

√3/2

b)

√2/2

c)

1/2

d)

1

3.

cos(π)

a)

√3/2

b)

-√2/2

c)

-1

d)

1

4.

cos(5π/3)

a)

-√2/2

b)

-1/2

c)

1/2

d)

√3/2

5.

tan(3π/4)

a)

√2/2

b)

-√2/2

c)

√3/2

d)

-1

6.

cos 5π/6

a)

-1/2

b)

1/2

c)

√3/2

d)

-√3/2

7.

cos 4π/3

a)

-√3/2

b)

√3/2

c)

1/2

d)

-1/2

8.

sin 7π/6

a)

1/2

b)

-1/2

c)

√3/2

d)

-√3/2

9.

sin 2π/3

a)

1/2

b)

-1/2

c)

√3/2

d)

-√3/2

10.

sin 0

a)

0

b)

1

c)

-1

d)

und

11.

cos 0

a)

0

b)

-1

c)

1

d)

und

12.

Which of the following is closest to the measure of the angle drawn by the green curve?

a)

5/6 π

b)

5/3 π

c)

4/5 π

d)

4/3 π

13.

The sine of any angle on the unit circle is the y-coordinate.

a)

True

b)

False

14.

The cosine of any angle on the unit circle is the y-coordinate.

a)

True

b)

False

15.

What is $\sin\left(\frac{\pi}{6}\right)$ ?

a)

1

b)

1/2

c)

√3/2

d)

√2/2

16.

What is the $\cos\left(\frac{3\pi}{4}\right)$ ?

a)

√3/2

b)

-√3/2

c)

√2/2

d)

-√2/2

17.

$\cos\left(\frac{4\pi}{3}\right)$

a)

1/2

b)

-1/2

c)

√3/2

d)

-√3/2

18.

$\cos\left(\frac{5\pi}{4}\right)$

a)

-√3/2

b)

-1/2

c)

-√2/2

d)

√2/2

19.

a)

$\frac{\pi}{4}$

b)

$\frac{\pi}{2}$

c)

$\frac{\pi}{3}$

d)

$\frac{\pi}{6}$

20.

a)

$\frac{\pi}{4}$

b)

$\frac{\pi}{2}$

c)

$\frac{\pi}{3}$

d)

$\frac{\pi}{6}$

21.

a)

$\frac{2\pi}{3}$

b)

$\frac{\pi}{2}$

c)

$\frac{3\pi}{4}$

d)

$\frac{5\pi}{6}$

22.

a)

$\frac{4\pi}{3}$

b)

$\frac{5\pi}{6}$

c)

$\frac{7\pi}{6}$

d)

$\frac{5\pi}{4}$

23.

a)

$180\degree$

b)

$270\degree$

c)

$300\degree$

d)

$225\degree$

Unit Circle

Total questions: 23

Worksheet time: 23mins

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