Solution
Solution
+1
Degrees
Solution steps
Subtract from both sides
Rewrite using trig identities
Use the Double Angle identity:
Move to the right side
Add to both sides
Simplify
Divide both sides by
Divide both sides by
Simplify
General solutions for
periodicity table with cycle:
Solve
Divide both sides by
Divide both sides by
Simplify
Popular Examples
cos^2(θ)=0cos(7x)cos(2x)+sin(7x)sin(2x)= 1/2sin(2x)= 1/2 ,0<= x<= 2pi8sin^2(θ)-6=0sqrt(3)sin(x)-cos(x)=0
Frequently Asked Questions (FAQ)
What is the general solution for sin^2(x)=1+cos^2(x) ?
The general solution for sin^2(x)=1+cos^2(x) is x= pi/2+pin