Equations
Fold
Math OP
Unfold
Linear algebra
Unfold
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 sin(4π/9-D)*sin(4π/9-D)+sinD-3sinD/(4(sin2π/9)*(sin2π/9)) = sin(4π/9-D) .
Question type: Equation
Solution:
The solution of the equation:
D1≈-16.018981 , keep 6 decimal places
D2≈-12.568633 , keep 6 decimal places
D3≈-9.735795 , keep 6 decimal places
D4≈-6.285448 , keep 6 decimal places
D5≈-3.452610 , keep 6 decimal places
D6≈-0.002263 , keep 6 decimal places
D7≈2.830575 , keep 6 decimal places
D8≈6.280922 , keep 6 decimal places
D9≈9.113761 , keep 6 decimal places
D10≈12.564108 , 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》