if x and y are acute angle such that sinx =1/root5 and siny=1/root10 ,prove that x+y=pi by 4

if x and y are acute angle such that sinx =1/root5 and siny=1/root10 ,

1.	if x and y are acute angle such that sinx =1/root5 and siny=1/root10 ,prove that x+y=pi by 4
Answer»