Thanks MrShorty..
i've tried your method.

i put x as =PI() --A4
my Y is =SIN(AA)

However the ans that i got for Y is 1.22515E-16

Basically my answer is
X Y
0 0
0 0
PI 1.22515E-16
PI 1.22515E-16
2PI -2.4503E-16
2PI -2.4503E-16

is there anything wrong with my steps?
Please advise.

thanks.


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