cf
julia> sinpi(2)
0.0
julia> sinpi(38)
0.0
If you know you have multiples of \pi and this kind of precision is important for your use case, use sinpi & friends.
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cf
julia> sinpi(2)
0.0
julia> sinpi(38)
0.0
If you know you have multiples of \pi and this kind of precision is important for your use case, use sinpi & friends.