计算:sin²兀/3+cos∧4(3兀/2)-tan²兀/3
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计算:sin²兀/3+cos∧4(3兀/2)-tan²兀/3
计算:sin²兀/3+cos∧4(3兀/2)-tan²兀/3
计算:sin²兀/3+cos∧4(3兀/2)-tan²兀/3
=(√3/2)^2+0^4-(√3)^2
=3/4-3
=-9/4