sin50°(1+√3tan10°)=?
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sin50°(1+√3tan10°)=?sin50°(1+√3tan10°)=?sin50°(1+√3tan10°)=?1+√3tan10=1+√3sin10/cos10=(cos10+√3sin10
sin50°(1+√3tan10°)=?
sin50°(1+√3tan10°)=?
sin50°(1+√3tan10°)=?
1+√3tan10
=1+√3sin10/cos10
=(cos10+√3sin10)/cos10
=2sin(10+30)/cos10
=2sin40/cos10
sin50(1+√3tan10)
=(2sin40sin50)/cos10
=[cos(50-40)-cos(50+40)]/cos10
=cos10/cos10
=1
sin50(1+√3tan10)
=2sin50[(1/2)+[ (√3/2)(sin10/cos10)]
=2sin50[sin30+cos30(sin10/cos10)]
=2sin50/cos10[sin30cos10+cos30sin10]
=2sin50/cos10*sin40
=(2cos40sin40)/cos10
=sin80/cos10
=cos10/cos10
=1
sin50°(1+√3tan10°)=?
sin50°(1+√3tan10°)=
sin50°(1+√ ̄3 tan10°)=
sin50°(1+根号3tan10°)
sin50°(1+根号3tan10°)
sin50°(1+根号3×tan10°)
化简:sin50°(1+√3tan10°)
sin50°(1+√3tan10°)
sin50°(1+√3 tan10°)里面是更号三,
求sin50°(1+√3tan10°)的值
sin50°(1+√3tan10°)的值
求值sin50°(1+√3tan10°)
2sin50°(1+根号3tan10°)=?
sin50°(1+(根号3)tan10°)=
计算:sin50°(1+根号3×tan10°)=?
计算:sin50°(1+根号3tan10°)=?是计算:sin50°(1+根号3×tan10°)=?
[cos40°+sin50°(1+√3tan10°)]/[sin70°√(1+cos40°)]=?
sin50(1+√3tan10)+tan10+tan50+√3tan10tan50