It's my way to find area, but there's an error ' Undefined function or variable 'x'. what's your idea?
x0 = pi / 2 - 1 ; x1 = 0.8317 ; x2 = pi / 2 ; y = int ((sqrt (1 - ( x - x2 )^2)) , x0 , x1); z = int (cos(x), x1 , x2 ); A = z + y ;
MATLAB
x0 = pi / 2 - 1 ; x1 = 0.8317 ; x2 = pi / 2 ; y = int ((sqrt (1 - ( x - x2 )^2)) , x0 , x1); z = int (cos(x), x1 , x2 ); A = z + y ;
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