Solution
Solution
+1
Degrees
Solution steps
Solve by substitution
Let:
Move to the left side
Subtract from both sides
Simplify
Solve with the quadratic formula
Quadratic Equation Formula:
For
Apply exponent rule: if is even
Apply rule
Apply radical rule: assuming
Separate the solutions
Apply rule
Add the numbers:
Multiply the numbers:
Divide the numbers:
Apply rule
Subtract the numbers:
Multiply the numbers:
Apply rule
The solutions to the quadratic equation are:
Substitute back
No Solution
General solutions for
periodicity table with cycle:
Combine all the solutions
Graph
Popular Examples
2sin(x)-sin(2x)=sin(2x)3cos(x)+5=7,0<= x<= 360cot(3x-6)=(sqrt(3))/3sqrt(1-cos(3x))=2pisolvefor θ,r=(10)/(3+2cos(θ))solve for
Frequently Asked Questions (FAQ)
What is the general solution for cos^2(θ)=2cos(θ) ?
The general solution for cos^2(θ)=2cos(θ) is θ= pi/2+2pin,θ=(3pi)/2+2pin