sin(2arcsin1/3arccos1/5)
问题描述:
sin(2arcsin1/3arccos1/5)
答
sin(2*arcsin(1/3)*arccos(1/5)) = 0.80208089008128
sin(2arcsin1/3arccos1/5)
sin(2*arcsin(1/3)*arccos(1/5)) = 0.80208089008128