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Unit'Circle Worksheet A

Unit Circle Worksheet B

Namc

Poriod

Solvo tho following problems using your Urrit Circle. r1

sin(90"):

Solve the following problems using your Unit Circle.

zr

' "or[1'l= t4t

I

'

,rt,"{+):

-jea

, ".'(*)=

I

D''"(+)=

-tr

4) cos 135'

G

ry

sin(150")=

-a,

: --L

a

e)tan(l80')= @

,)''(+)=

-L

a

i

,,*(?)= und.

,>.,"(4\= -rE \-/ a 4; cos -135' =

Otan(135')

fra

d

8) cos

-90'

=o

zr.i,[4.)= \J)

-{-g -.d

a1

= |

cos .-120"

: ---I

a

Unit Circle Worksheet C

Name

t

r^.eir ws<-

i

or cpr\erA.o*e,-

l

,"rou

The given point P is located on the Unit Circle. State the quadrant and furd the angle 0, also sin6, cosd and tan? .

i)

rf-:,fl

L)!\v)-L) z)P(,,-l) Quad: nOhO sind: -l

".[r'r) Quad: Jf sin7: {?/2 cos7:

-l/2

tanl: -t[e

r(4{\ 'r'l-'r 3)

Quad:

JIL

sin7z

-tiy',

cos0: 0

cosd:

-fi/t

tarl: UffekteL

:ranl:

)

I

Find the exactvalue of each function.

*'(+)

F

5) sin -30"

7) cos(600')

-I-

r)

4)

'

e'{0o roi

a

-i

o'*(-?)

,*(?) t

e) tan(tri O

1r E-

-Tr

*r[-f'l -g 11) sin 4zs' 9 -aa,51So -

jE

12) tan(sas'; I

'"t

{

I no)a u-E

13) cos(4ao')

-i

1+>

,r"(-! ^z-)

.l

E.

s1

"*lu) iL d, \w-l-l

rltl.

b