sin(30°)●tan(45°)=

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sin(30°)●tan(45°)=sin(30°)●tan(45°)=sin(30°)●tan(45°)=sin(30)=0.5tan(45)=1所以,结果是0.5*1=0.5等于二分之一0.5si

sin(30°)●tan(45°)=
sin(30°)●tan(45°)=

sin(30°)●tan(45°)=
sin(30)=0.5
tan(45)=1
所以,结果是0.5*1=0.5

等于二分之一

0.5


sin(30°)●tan(45°)
=1/2 x 1
=1/2

0.5