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Math
·
Geometry and Trigonometry
·
Right triangles and trigonometry
hard
In the figure,
A
B
⊥
A
C
and
A
D
⊥
B
C
. The measure of
∠
A
B
D
is
w
∘
, the measure of
∠
C
A
D
is
z
∘
, and
A
D
=
178
. If
cos
w
∘
=
41
9
, what is the value of
tan
z
∘
?
1
40/9
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