sin(π/3+15°)=
问题描述：
sin(π/3+15°)=
答
sin(π/3+15°)
=sin(π/3+π/12)
=sin(5π/12)
=sin(π/4+π/6)
=snπ/4cosπ/6+cosπ/4sinπ/6
=(√6+√2)/4