John Gabriel wrote: > On Saturday, 8 March 2014 21:09:44 UTC+2, Peter Percival wrote: >[...], I'd still like to know how you define sin(x). > > sin(x)= opposite / hypotenuse - that's how sine is defined.
In "sin(x) is defined to be ...", x has to appear free in the "..." unless sin(x) is a constant. So what's the connection between opposite/hypotenuse and x?
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