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tan95°−tan35°−
3
tan95°tan35°
=______.
人气:470 ℃ 时间:2020-09-25 11:32:00
解答
tan95°−tan35°−
3​
tan95°tan35°

=tan(95°−35°)(1+tan95°tan35°)−
3​
tan95°tan35°

=tan(60°)(1+tan95°tan35°)−
3​
tan95°tan35°

=
3
+
3
tan95°tan35°−
3​
tan95°tan35°

=
3

故答案为:
3
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