Overview: 2 questions will be solved this time.Among them
           ☆1 inequalities
           ☆1 equations

[ 1/2Inequality]
    Assignment:Find the solution set of inequality cotx >1 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         cotx >1         (1)

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    From inequality(1)：
         cotx ＞ 1

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    The final solution set is :
         cotx ＞ 1
[ 2/2 Equation]
    Work: Find the solution of equation sinx = 0.5 .
    Question type: Equation
    Solution:
    The solution of the equation:
        x₁≈-16.231562 , keep 6 decimal places
        x₂≈-12.042772 , keep 6 decimal places
        x₃≈-9.948377 , keep 6 decimal places
        x₄≈-5.759587 , keep 6 decimal places
        x₅≈-3.665191 , keep 6 decimal places
        x₆≈0.523599 , keep 6 decimal places
        x₇≈2.617994 , keep 6 decimal places
        x₈≈6.806784 , keep 6 decimal places
        x₉≈8.901179 , keep 6 decimal places
        x₁₀≈13.089969 , keep 6 decimal places    
    There are 10 solution(s).    *Note: Radian.

解程的详细方法请参阅：《方程的解法》

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