sin30+sin60+tan60=...?
问题描述:
sin30+sin60+tan60=...?
答
(1+3根号3)/2
答
sin30+sin60+tan60
=1/2 + √3/2 + √3
=1/2+3√3/2
答
sin30+sin60+tan60
=1/2+√3/2+√3
=(1+3√3)/2