Solution
Solution
+1
Degrees
Solution steps
Solve by substitution
Let:
Solve with the quadratic formula
Quadratic Equation Formula:
For
Apply rule
Multiply the numbers:
Add the numbers:
Factor the number:
Apply radical rule:
Separate the solutions
Add/Subtract the numbers:
Multiply the numbers:
Cancel the common factor:
Subtract the numbers:
Multiply the numbers:
Apply the fraction rule:
Apply rule
The solutions to the quadratic equation are:
Substitute back
General solutions for
periodicity table with cycle:
General solutions for
periodicity table with cycle:
Combine all the solutions
Popular Examples
Frequently Asked Questions (FAQ)
What is the general solution for 4cos^2(x)+2cos(x)-2=0 ?
The general solution for 4cos^2(x)+2cos(x)-2=0 is x= pi/3+2pin,x=(5pi)/3+2pin,x=pi+2pin