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Problem
## Miscellaneous Exercise on Chapter 2 Prove that 4.
sin
−
1
8
17
+
sin
−
1
3
5
=
tan
−
1
77
36
\sin ^{-1} \frac{8}{17}+\sin ^{-1} \frac{3}{5}=\tan ^{-1} \frac{77}{36}
sin
−
1
17
8
+
sin
−
1
5
3
=
tan
−
1
36
77
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