Solution
Solution
+1
Degrees
Solution steps
Subtract from both sides
Rewrite using trig identities
Use the Double Angle identity:
Simplify
Multiply the numbers:
Add similar elements:
Apply rule
General solutions for
periodicity table with cycle:
Solve
Divide both sides by
Divide both sides by
Simplify
Solve
Divide both sides by
Divide both sides by
Simplify
Popular Examples
solvefor θ,tan(2θ)=-1solve for 3cos(z+1.2)=21/2 =sqrt(3/2)*cos(x)cos(x/2)=-1sqrt(2)4sin(β)+2=3+2sin(β)
Frequently Asked Questions (FAQ)
What is the general solution for cos^2(2x)=cos(4x) ?
The general solution for cos^2(2x)=cos(4x) is x=pin,x= pi/2+pin