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 cos((7pi)/4) = 0 .
Question type: Equation
Solution:
The solution of the equation:
pi1≈-8.078381 , keep 6 decimal places
pi2≈-6.283185 , keep 6 decimal places
pi3≈-4.487990 , keep 6 decimal places
pi4≈-2.692794 , keep 6 decimal places
pi5≈-0.897598 , keep 6 decimal places
pi6≈0.897598 , keep 6 decimal places
pi7≈2.692794 , keep 6 decimal places
pi8≈4.487990 , keep 6 decimal places
pi9≈6.283185 , keep 6 decimal places
pi10≈8.078381 , 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》