Mathc initiation/a211

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fa.h /* --------------------------------- */ /* save as fa.h */ /* --------------------------------- */ double f( double t) { return( (2.+2.*cos(t)) ); } char feq[] = "2.+2.*cos(t)"; /* --------------------------------- */ double g( double t) { return( (3) ); } char geq[] = "3"; /* --------------------------------- */ double SectorArea( double t) { /* Area = (f^2)/2 - (g^2)/2 dk */ return(( ((f(t)*f(t))/2.) - ((g(t)*g(t))/2.) )); } /* --------------------------------- */ /* --------------------------------- */

fb.h /* --------------------------------- */ /* save as fb.h */ /* --------------------------------- */ double f( double t) { return( (4.*cos(2.*t)) ); } char feq[] = "4.*cos(2.*t)"; /* --------------------------------- */ double g( double t) { return( (2) ); } char geq[] = "2"; /* --------------------------------- */ double SectorArea( double t) { /* Area = (f^2)/2 - (g^2)/2 dk */ return(( ((f(t)*f(t))/2.) - ((g(t)*g(t))/2.) )); } /* --------------------------------- */ /* --------------------------------- */