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Mathematics
Mathematics
Problem
If
2
tan
−
1
(
cos
x
)
=
tan
−
1
(
2
csc
x
)
2 \tan^{-1}(\cos x) = \tan^{-1}(2 \csc x)
2
tan
−
1
(
cos
x
)
=
tan
−
1
(
2
csc
x
)
, then
x
=
x =
x
=
(a)
3
π
4
\frac{3\pi}{4}
4
3
π
(b)
π
4
\frac{\pi}{4}
4
π
(c)
π
3
\frac{\pi}{3}
3
π
(d) None of these
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