[1/(cos10°)]-[ (根号3)/(sin80°)]=___

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[1/(cos10°)]-[(根号3)/(sin80°)]=___[1/(cos10°)]-[(根号3)/(sin80°)]=___[1/(cos10°)]-[(根号3)/(sin80°)]=___1

[1/(cos10°)]-[ (根号3)/(sin80°)]=___
[1/(cos10°)]-[ (根号3)/(sin80°)]=___

[1/(cos10°)]-[ (根号3)/(sin80°)]=___
1/(cos10°) - √3/(sin80°)
= 1/(sin(90°-10°) - √3/(sin80°)
= (1-√3)/(sin80°)
如果没有其他条件,这就是最终结果了