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Byju's Answer
Standard X
Mathematics
Standard Values of Trigonometric Ratios
Use tan x∘ ...
Question
Use
t
a
n
x
∘
to check if value of Y is 17.32 cm.
If true then enter
1
and if false then enter
0
Open in App
Solution
In
△
A
B
C
,
A
C
=
20
and
B
C
=
10
Here,
c
o
s
x
=
B
H
=
B
C
A
C
=
1
2
cos
x
=
cos
60
x
=
60
∘
Now,
tan
x
=
P
B
tan
60
=
A
B
B
C
√
3
=
A
B
10
A
B
=
10
√
3
cm
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0
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