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Byju's Answer
Standard IX
Mathematics
Relationship between Trigonometric Ratios
In Δ ABC, ∠...
Question
In
Δ
A
B
C
,
∠
B
=
90
0
,
A
B
=
y
u
n
i
t
s
,
B
C
=
√
3
u
n
i
t
s
,
A
C
=
2
u
n
i
t
s
and angle
A
=
x
0
, then
find the value of
y
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Solution
s
i
n
x
∘
=
s
i
n
A
=
B
C
A
C
=
√
3
2
s
i
n
x
=
√
3
2
s
i
n
x
=
s
i
n
60
x
=
60
∘
Now,
c
o
s
x
=
c
o
s
60
=
1
2
c
o
s
x
=
A
B
A
C
1
2
=
y
2
y
=
1
unit
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0
Similar questions
Q.
In
Δ
A
B
C
,
∠
B
=
90
0
,
A
B
=
y
u
n
i
t
s
,
B
C
=
√
3
u
n
i
t
s
,
A
C
=
2
u
n
i
t
s
and angle
A
=
x
0
, then find
x
0
in degrees
Q.
In
Δ
A
B
C
,
∠
B
=
90
0
,
A
B
=
y
u
n
i
t
s
,
B
C
=
√
3
u
n
i
t
s
,
A
C
=
2
u
n
i
t
s
and angle
A
=
x
0
, then
tan
x
0
is
√
m
, where value of m is
Q.
In
Δ
A
B
C
,
∠
B
=
90
0
,
A
B
=
y
u
n
i
t
s
,
B
C
=
√
3
u
n
i
t
s
,
A
C
=
2
u
n
i
t
s
and angle
A
=
x
0
, then
sin
x
0
is
√
3
m
, where m is
Q.
In right angle
Δ
A
B
C
,
A
B
=
a
,
A
C
=
b
,
B
C
=
c
and
C
D
is
⊥
r
on AB. Find the value
x
=
C
D
.
Q.
In
Δ
ABC, AB = BC and AC = CD and
∠
B = x
0
and
∠
D = y
0
then x
0
+4 y
0
equal -
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