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Byju's Answer
Standard XII
Mathematics
Trigonometric Ratios of Allied Angles
If A = 22°15'...
Question
If A = 22°15' and B = 22°45', then find the value of tan (A + B).
A
0.25
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B
0.5
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C
1
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D
1.5
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Solution
The correct option is
C
1
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0
Similar questions
Q.
If
A
+
B
=
45
o
, show that,
(
1
+
t
a
n
A
)
(
1
+
t
a
n
B
)
=
2
; hence find the value of
tan
(
22
1
2
)
o
Q.
If
a
=
3
,
b
=
−
3
, find the value of
(
a
−
2
)
2
+
(
b
−
2
)
2
Q.
If
A
=
sin
15
∘
+
cos
15
∘
,
B
=
tan
15
∘
+
cot
15
∘
,
C
=
tan
22
1
2
∘
−
cot
22
1
2
∘
then the descending order is
Q.
If
A
+
B
=
45
∘
, prove that
(
1
+
tan
A
)
(
1
+
tan
B
)
=
2
and hence deduce that
tan
22
1
2
∘
=
√
2
−
1
Q.
If
n
(
ξ
)
=
30
,
n
(
A
)
=
22
,
n
(
B
)
=
15
and
n
(
A
∪
B
)
=
25
, then find :
n
(
B
′
)
.
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