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sin
(
1
2
cos
−
1
4
5
)
=
\sin\left(\frac{1}{2}\cos^{-1}\frac{4}{5}\right) =
sin
(
2
1
cos
−
1
5
4
)
=
Mathematics
Problem
sin
(
1
2
cos
−
1
4
5
)
=
\sin\left(\frac{1}{2}\cos^{-1}\frac{4}{5}\right) =
sin
(
2
1
cos
−
1
5
4
)
=
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