Enter this in C2:

=SIN(3*$A$1*B$1*ROWS($1:2))

And copy down as needed.
--
HTH,

RD

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"otomo" wrote in message
...
I have on A1 0.2, in B1 1 and in C1 sin(3*$a$1*b1). I would like to copy
the
formula in c2, c3 ..c100 such that it would do C2 sin(3*$a$1*b1*2)
C3
sin(3*$a$1*b1*3)
C4
sin(3*$a$1*b1*4)
and so forth. How do I do this?

Thanks