3/4tan平方π/6怎么算?

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3/4tan平方π/6怎么算?
3/4tan平方π/6怎么算?

3/4tan平方π/6怎么算?
(3/4)tan²π/6
=(3/4)(√3/3)²
=(3/4)(3/9)
=(3/4)(1/3)
=1/4