题目内容
求值:
=______.
| tan30°cos60°sin60° |
| tan0°+cot60°cos30° |
原式=
=
=
.
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0+
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| 1 |
| 2 |
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题目内容
| tan30°cos60°sin60° |
| tan0°+cot60°cos30° |
| ||||||||||
0+
|
| ||
|
| 1 |
| 2 |