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Byju's Answer
Standard XII
Mathematics
Differentiation of Inverse Trigonometric Functions
cos π - A.cot...
Question
cos
(
π
−
A
)
.
c
o
t
(
π
2
+
A
)
c
o
s
(
−
A
)
tan
(
π
+
A
)
tan
(
3
π
2
+
A
)
sin
(
2
π
−
A
)
=
cos
A
.
A
True
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B
False
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Solution
The correct option is
A
True
cos
(
π
−
A
)
cot
(
π
2
+
A
)
cos
(
−
A
)
tan
(
π
+
A
)
tan
(
3
π
2
+
A
)
sin
(
2
π
−
A
)
=
−
cos
A
×
(
−
tan
A
)
×
cos
A
tan
A
×
(
−
cot
A
)
×
(
−
sin
A
)
=
cos
2
A
×
sin
A
cos
A
sin
A
using
tan
A
cot
A
=
1
=
cos
2
A
sin
A
cos
A
sin
A
=
cos
A
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