问题
填空题
计算：cos30°tan30°+sin60°tan45°cot30°=______．
答案
cos30°tan30°+sin60°tan45°cot30°
=
×3 2
+3 3
×1×3 2 3
=
+1 2
=2．3 2
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计算：cos30°tan30°+sin60°tan45°cot30°=______．
cos30°tan30°+sin60°tan45°cot30°
=
×3 2
+3 3
×1×3 2 3
=
+1 2
=2．3 2