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Byju's Answer
Standard XII
Mathematics
Sin(A+B)Sin(A-B)
If tan A+B=...
Question
If
tan
(
A
+
B
)
=
√
3
and
tan
(
A
−
B
)
=
1
√
3
;
0
o
<
A
+
B
≤
90
o
;
A
>
B
then the value of A and B
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Solution
Given:-
tan
(
A
+
B
)
=
√
3
tan
(
A
−
B
)
=
1
√
3
0
°
<
A
+
B
≤
90
°
;
A
>
B
To find:-
A
=
?
B
=
?
Solution:-
tan
(
A
+
B
)
=
√
3
⇒
tan
(
A
+
B
)
=
tan
60
°
⇒
A
+
B
=
60
°
.
.
.
.
.
(
1
)
tan
(
A
−
B
)
=
1
√
3
⇒
tan
(
A
−
B
)
=
tan
30
°
⇒
A
−
B
=
30
°
.
.
.
.
.
(
2
)
Adding equatio
(
1
)
&
(
2
)
, we have
(
A
+
B
)
+
(
A
−
B
)
=
60
°
+
30
°
⇒
2
A
=
90
°
⇒
A
=
45
°
Substituting the value of
A
in equation
(
1
)
, we have
45
°
+
B
=
60
°
⇒
B
=
60
°
−
45
°
=
15
°
Hence the value of
A
and
B
is
45
v
and
15
°
respectively.
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0
Similar questions
Q.
If
tan
(
A
+
B
)
=
√
3
and
tan
(
A
−
B
)
=
1
√
3
;
0
o
<
A
+
B
≤
90
o
;
A
>
B
, find A and B.
Q.
If
tan
(
A
+
B
)
=
√
3
and
tan
(
A
−
B
)
=
1
√
3
;
0
o
<
A
+
B
≤
90
o
;
A
>
B
,
find
A
and
B
.
Q.
If
tan
(
A
+
B
)
=
√
3
and
tan
(
A
−
B
)
=
1
,
0
o
<
A
+
B
<
90
o
;
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>
B
, then find
A
and
B
.
Q.
If
tan
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+
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)
=
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√
3
and
tan
(
A
−
B
)
=
1
√
3
,
0
o
<
A
+
B
≤
90
o
;
A
>
B
, find
A
and
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.
Q.
If
tan
(
A
+
B
)
=
1
, and
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(
A
−
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and
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Sin(A+B)Sin(A-B)
Standard XII Mathematics
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