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Mathematics
Mathematics
Problem
sin
−
1
(
3
5
)
+
tan
−
1
(
1
7
)
=
\sin^{-1}\left(\frac{3}{5}\right) + \tan^{-1}\left(\frac{1}{7}\right) =
sin
−
1
(
5
3
)
+
tan
−
1
(
7
1
)
=
(a)
π
4
\frac{\pi}{4}
4
π
(b)
π
2
\frac{\pi}{2}
2
π
(c)
cos
−
1
(
4
5
)
\cos^{-1}\left(\frac{4}{5}\right)
cos
−
1
(
5
4
)
(d)
π
\pi
π
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