cot(-35/3π)=
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解决时间 2021-02-22 06:58
- 提问者网友：献世佛
- 2021-02-21 14:18
cot(-35/3π)=
最佳答案
- 五星知识达人网友：duile
- 2021-02-21 15:28
cot(-35π/3)
= -cot(35π/3)
=-cot(12π-π/3)
=-cot(-π/3)
=cot(π/3)
=√3/3
楼上的算错了！
= -cot(35π/3)
=-cot(12π-π/3)
=-cot(-π/3)
=cot(π/3)
=√3/3
楼上的算错了！
全部回答
- 1楼网友：走死在岁月里
- 2021-02-21 16:07
cot(-35π/3)
= -cot(35π/3)
=-cot(12π-π/3)
=-cot(-π/3)
=cot(π/3)
=√3 /3
= -cot(35π/3)
=-cot(12π-π/3)
=-cot(-π/3)
=cot(π/3)
=√3 /3
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