a / (b*(c/(d*(e/(f+h)))))
sqr( sin(x)+(cos(x)/sin(x))/(1 + sqr(sin(x))/cos(x)) )
0.3 * ( ((sqr(sin(x))-sqr(cos(x))/sin((x+y)/2))-exp(abs(cos(x)+sin(x))))*ln(x) - sqrt(x-1) )
sqr((sin(x)+cos(x)/sin(x))/(1+sin(x)*sin(x)/cos(x)));
0.3*(((sqr(sin(x))-sqr(cos(x)))/sin((x+y)/2)-exp(abs(cos(x)+sin(x))))*ln(x)-sqrt(x-1));