If `F(x)=(sinpi[x])/({x})` then `F(x)` is (where {.} denotes fractional part function and [.]
Channel: Doubtnut
Date: 2020-04-19

If `F(x)=(sinpi[x])/({x})` then `F(x)` is (where {.} denotes fractional part function and [.] denotes greatest integer function and `sgn(x)` is a signum function)