问题 填空题
tan95°-tan35°-
3
tan95°tan35°
=______.
答案

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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