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Byju's Answer
Standard XII
Mathematics
Trigonometric Ratios of Multiples of an Angle
42. sin A / (...
Question
42. sin A / (cot A + cosec A) = 2 + sin A / (cot A - cosec A)
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Similar questions
Q.
Prove that:
sin
A
(
cot
A
+
c
o
s
e
c
A
)
=
2
+
sin
A
(
cot
A
−
c
o
s
e
c
A
)
Q.
(
c
o
s
e
c
A
+
s
i
n
A
)
(
c
o
s
e
c
A
−
s
i
n
A
)
=
c
o
t
2
A
+
c
o
s
2
A
Q.
c
o
s
A
−
s
i
n
A
+
1
c
o
s
A
+
s
i
n
−
1
=
c
o
s
e
c
A
+
c
o
t
A
,
, using the identity
c
o
s
e
c
2
A
=
1
+
c
o
t
2
A
.
Q.
Prove that sinA/(cotA+cosecA)=2+sinA/(cotA-cosecA)
Q.
Prove the following :
(ix)
1
cos
e
c
A
-
c
o
t
A
-
1
sin
A
=
1
S
i
n
A
-
1
cos
e
c
A
+
c
o
t
A
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Trigonometric Ratios of Multiples of an Angle
Standard XII Mathematics
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