<span>(3/4-1/9+2/3) *36=108/4-36/9+72/3=27-4+24=47
16/7*39/8+125/100*16/7=39/7+20/7=59/9=</span>
sinx^2=1-cosx^2=1-0.36=0.64 sinx=-0.8 sinx=0.8
sinx^2=1-0=1 sinx=-1 sinx=1
tgx=3/4 cosx^2=1/(1+tgx^2)=1/(1+9/16)=1/(25/16) cosx^2=16/25 cosx=-4/5 cosx=4/5 2cosx=-8/5 2cosx=8/5
tgx=pi cos^2x=1/1+0=1 cosx^2=1 cosx=+-1 2cosx=+-2
Ответ 3
6/х=2
х=3
3/х+3/х=4-2
6/х=2
х=у
=m*(n^2-m^2-12m-36) Вроде так