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

[ 1/1 Equation]
    Work: Find the solution of equation sinxsin80 = sin40sin(110-x) .
    Question type: Equation
    Solution:
    The solution of the equation:
        x₁≈-15.689001 , keep 6 decimal places
        x₂≈-12.547408 , keep 6 decimal places
        x₃≈-9.405816 , keep 6 decimal places
        x₄≈-6.264223 , keep 6 decimal places
        x₅≈-3.122630 , keep 6 decimal places
        x₆≈0.018962 , keep 6 decimal places
        x₇≈3.160555 , keep 6 decimal places
        x₈≈6.302148 , keep 6 decimal places
        x₉≈9.443740 , keep 6 decimal places
        x₁₀≈12.585333 , 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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