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

[ 1/2 Equation]
    Work: Find the solution of equation sin(1.6016x) = 2.37979 .
    Question type: Equation
    Solution:    This equation has no real solution!
[ 2/2 Equation]
    Work: Find the solution of equation sin(0.8008x) = 0.89 .
    Question type: Equation
    Solution:
    The solution of the equation:
        x₁≈-20.985650 , keep 6 decimal places
        x₂≈-14.321960 , keep 6 decimal places
        x₃≈-13.139514 , keep 6 decimal places
        x₄≈-6.475824 , keep 6 decimal places
        x₅≈-5.293379 , keep 6 decimal places
        x₆≈1.370311 , keep 6 decimal places
        x₇≈2.552757 , keep 6 decimal places
        x₈≈9.216447 , keep 6 decimal places
        x₉≈10.398892 , keep 6 decimal places
        x₁₀≈17.062582 , 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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