tan( 360 ) - Mathematics 1-2-3

Name: __________________ Class: Date: _____________
1 Use the definitions (not a calculator) to evaluate the six trigonometric functions of the angle. If a value is undefined, answer none.
Problem code:
copc06.06.04.09
360
sin 360 =
cos 360 =
tan 360 =
csc 360 =
cot 360 =
sec 360 =
2 Use the definitions (not a calculator) to evaluate the six trigonometric functions of the angle. If a value is undefined, answer none.
360
Problem code:
copc06.06.04.10
sin( 360 ) =
cos( 360 ) =
tan( 360 ) =
csc( 360 ) =
cot( 360 ) =
sec( 360 ) =
3 Use the definitions (not a calculator) to evaluate the six trigonometric functions of the angle. If a value is undefined, answer none.
990
Problem code:
copc06.06.04.12
sin( 990 ) =
cos( 990) =
tan( 990) =
csc( 990) =
cot( 990) =
sec( 990) =
PAGE 1

Name: __________________ Class: Date: _____________
4 Evaluate each expression using the concept of a reference angle.
Problem code:
copc06.06.04.41
cos 495 =
cos( 495 ) =
sin 495 =
sin( 495 ) =
5 Evaluate the expression using the concept of a reference angle.
cos( 120 )
1
6
1
a.
6
b. c. d. e.
6
6
2
2
1
2
Problem code:
copc06.06.04.42m
6 Evaluate each expression using the concept of a reference angle.
Problem code:
copc06.06.04.43
cos 300 =
cos( 300 ) =
sin 300 =
sin( 300 ) =
7 Evaluate each expression using the concept of a reference angle.
Problem code:
copc06.06.04.45
cos 210 =
cos( 210 ) =
sin 210 =
sin( 210 ) =
PAGE 2

Name: __________________ Class: Date: _____________
8 Evaluate the expression using the concept of a reference angle.
tan 390
3
5
1
5
a. b. c. d. e.
3
3
5
5
3
3
Problem code:
copc06.06.04.50m
9 Use the given information to determine the area of the triangle.
Problem code:
copc06.06.04.53
Two of the sides are 3 cm and 9 cm, and the angle between those sides is 120 .
PAGE 3

ANSWER KEY
Homework 6.4 Math 3 Fall 2006, Bauerle
1. 0 ; 1 ; 0 ; none ; none ; 1
2.
4.
2
2
2
2
2 2
; ; ;
2 2
0 ; 1 ; 0 ; none ; none ;
1
5. c 6.
3 3 1 1
7. ; ; ; 8. e 9.
2 2 2 2
3.
1 ; 0 ; none ; 1 ; 0 ;
none
1 1
2 2 3
; ; ;
2
3
2
27 3
4
ANSWER KEY Page 1