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NAME _____________________________
______________ DATE________________
TRIGONOMETRIC FUNCTIONS
Use your EL
-
W516B together with the law of sines and the law of cosines
to find the distance of the missing side
The law of sines is
sin
sin
sin
c
b
a
.
The law of cosines is
cos
2
2
2
2
ab
b
a
c
.
1.
Given
11
,
63
,
30
a
determine the length of side c.
___________________
2.
Given
16
grads,
69
grads,
123
b
find the length of side a.
___________________
3.
Given
5
.
1
,
40
,
30
b
a
radians find the length
of side c.
___________________
4.
Given
45
,
30
,
15
c
a
find the length of side b.
___________________
5.
Given
100
,
23
,
13
c
b
grads find the length of side a using the
law of sines.
___________________
21