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           ☆1 equations

[ 1/1 Equation]
    Work: Find the solution of equation cosx/(x^2-1) = 0 .
    Question type: Equation
    Solution:
    The solution of the equation:
        x₁≈-10.995574 , keep 6 decimal places
        x₂≈-7.853982 , keep 6 decimal places
        x₃≈-4.712389 , keep 6 decimal places
        x₄≈-1.570796 , keep 6 decimal places
        x₅≈1.570796 , keep 6 decimal places
        x₆≈4.712389 , keep 6 decimal places
        x₇≈7.853982 , keep 6 decimal places
        x₈≈10.995574 , keep 6 decimal places    
    There are 8 solution(s).    *Note: Radian.

解程的详细方法请参阅：《方程的解法》

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