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On line Solution of Monovariate Equation：
Input any unary equation directly, and then click the "Next" button to obtain the solution of the equation.
It supports equations that contain mathematical functions.
Input any unary equation directly, and then click the "Next" button to obtain the solution of the equation.
It supports equations that contain mathematical functions.
Current location：Equations > Monovariate Equation > The history of univariate equation calculation > Answer
Overview: 1 questions will be solved this time.Among them
☆1 equations
[ 1/1 Equation]
Work: Find the solution of equation cos(pai/7)cos(3pai/7)cos(5pai/7) = 0 .
Question type: Equation
Solution:
The solution of the equation:
| pai1= | - | 5497787 500000 |
| pai2= | 5497787 500000 |
pai3≈-15.393804 , keep 6 decimal places
pai4≈-6.597345 , keep 6 decimal places
pai5≈-3.665191 , keep 6 decimal places
pai6≈-2.199115 , keep 6 decimal places
pai7≈2.199115 , keep 6 decimal places
pai8≈3.665191 , keep 6 decimal places
pai9≈6.597345 , keep 6 decimal places
pai10≈15.393804 , 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》