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Mathematics 14 Online
OpenStudy (anonymous):

Which expression is equivalent to s`i`nS`,I``x`N`.`-``X``.`s_`i@`n``.`x``.`-`.`2` ?

Nnesha (nnesha):

*.* ``~.~`` =.- ~.~ `.``~.~ what is that ?? @.@ @.= `.` ~`.`~

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