sin(x+π)=-sin(x)=-0.5
sin(x)=0.5
sin(5π-x)-cos(x-3π/2)sin(π-x)-cos(x-π)=sin(x)-cos(x+π/2)=sin(x)+sin(x)=1
sin(π/2+x)*tan(π/2+x)=cos(x)*cos(x)/-sin(x)=(1-sin(x)2)/-sin(x)=-1.5
sin(x+π)=-sin(x)=-0.5
sin(x)=0.5
sin(5π-x)-cos(x-3π/2)sin(π-x)-cos(x-π)=sin(x)-cos(x+π/2)=sin(x)+sin(x)=1
sin(π/2+x)*tan(π/2+x)=cos(x)*cos(x)/-sin(x)=(1-sin(x)2)/-sin(x)=-1.5