问题描述：
一道很简单的三角函数题,但就是做错,
Find all solutions of the equation.(Enter your answer in the form a + bπn,where a[0,2π),b is the smallest possible positive number,and n represents any integer.Round a to four decimal places.)
cot(x)=-0.237
x=?
我输入 arccot(-0.237)+ nπ 是错的...
Find all solutions of the equation.(Enter your answer in the form a + bπn,where a[0,2π),b is the smallest possible positive number,and n represents any integer.Round a to four decimal places.)
cot(x)=-0.237
x=?
我输入 arccot(-0.237)+ nπ 是错的...
问题解答：
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