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cot(-35/3π)=
题目详情
cot(-35/3π)=
▼优质解答
答案和解析
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!
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