Solution
Solution
+1
Solution steps
Subtract from both sides
Rewrite using trig identities
Solve by substitution
No Solution
Combine all the solutions
Show solutions in decimal form
Popular Examples
cos(x)= 3/(sqrt(13))3tan^3(x)-9tan(x)=0cot(θ)=-1,cos(θ),90<θ<1802sin(3θ)+1=0,0<= θ<= 2piarctan(x)=-pi/6
Frequently Asked Questions (FAQ)
What is the general solution for cos^2(x)+cos(x)=cos(2x) ?
The general solution for cos^2(x)+cos(x)=cos(2x) is x=2.23703…+2pin,x=-2.23703…+2pin