Respuesta :

<A=tan^-1(2/1)=63.43 degrees
<B=tan^-1(1/2)=26.57 degrees
X=√(10²+20²)=√500=22.36
sin(A)=cos(B)=20/22.36=.89
cos(A)=sin(B)=10/22.36=.46
tan(A)=20/10=2
tan(B)=10/20=1/2