Free Printable The Unit Circle Part 1

1.

Use your Unit Circle to identify the sine of

0\degree

.

a)

0

b)

1

c)

$\frac{1}{2}$

d)

-1

2.

Use your Unit Circle to identify the cosine of

\frac{\pi}{6}

a)

$\frac{1}{2}$

b)

$\frac{\sqrt{3}}{2}$

c)

0

d)

$\frac{\sqrt{2}}{2}$

3.

Use your Unit Circle to identify the sine of

300\degree

a)

$-\frac{\sqrt{2}}{2}$

b)

$\frac{1}{2}$

c)

0

d)

$-\frac{\sqrt{3}}{2}$

4.

Use your Unit Circle to identify the cosine of

90\degree

a)

1

b)

$-\frac{1}{2}$

c)

0

d)

-1

5.

Use your Unit Circle to identify the cosine of

2\pi

a)

1

b)

-1

c)

0

d)

$\frac{1}{2}$

6.

Use your Unit Circle to identify the sine of

60\degree

a)

$\frac{1}{2}$

b)

$-\frac{1}{2}$

c)

$-\frac{\sqrt{2}}{2}$

d)

$\frac{\sqrt{3}}{2}$

7.

Use your Unit Circle to identify the sine of

\frac{11\pi}{6}

a)

$\frac{1}{2}$

b)

$-\frac{\sqrt{3}}{2}$

c)

$-\frac{1}{2}$

d)

1

8.

Use your Unit Circle to identify the cosine of

135\degree

a)

$\frac{\sqrt{2}}{2}$

b)

$\frac{1}{2}$

c)

$-\frac{\sqrt{2}}{2}$

d)

$-\frac{\sqrt{3}}{2}$

9.

Use your Unit Circle to identify the tangent of

\frac{\pi}{4}

. *Hint* remember on the Unit Circle that

\tan\theta=\frac{y}{x}

a)

$\frac{\sqrt{2}}{2}$

b)

0

c)

1

d)

$\frac{1}{2}$

10.

$150\degree$

Use your Unit Circle to identify the cosine of

a)

$\frac{1}{2}$

b)

$-\frac{\sqrt{3}}{2}$

c)

$\frac{\sqrt{3}}{2}$

d)

$\frac{\sqrt{2}}{2}$

11.

Use your Unit Circle to identify the cosine of $\frac{5\pi}{4}$

a)

$-\frac{\sqrt{2}}{2}$

b)

$\frac{\sqrt{2}}{2}$

c)

1

d)

0

12.

Use your Unit Circle to identify the sine of $270\degree$

a)

0

b)

1

c)

-1

d)

$\frac{1}{2}$

13.

Use your Unit Circle to identify the sine of $210\degree$

a)

$-\frac{\sqrt{3}}{2}$

b)

$-\frac{1}{2}$

c)

$-\frac{\sqrt{2}}{2}$

d)

-1

14.

Use your Unit Circle to identify the sine of $\pi$

a)

0

b)

1

c)

-1

d)

$\frac{\sqrt{3}}{2}$

15.

Use your Unit Circle to identify the cosine of $240\degree$

a)

$\frac{\sqrt{2}}{2}$

b)

$-\frac{\sqrt{3}}{2}$

c)

1

d)

$-\frac{1}{2}$

16.

Use your Unit Circle to identify the cosine of $\frac{2\pi}{3}$

a)

$\frac{1}{2}$

b)

$-\frac{1}{2}$

c)

$\frac{\sqrt{3}}{2}$

d)

$-\frac{\sqrt{3}}{2}$

17.

Use your Unit Circle to identify the tangent of $315\degree$ . *Hint* on the Unit Circle, $\tan\theta=\frac{y}{x}$

a)

$\frac{\sqrt{2}}{2}$

b)

$-\frac{\sqrt{2}}{2}$

c)

-1

d)

0

The Unit Circle Part 1

Total questions: 17

Worksheet time: 10mins

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