Solution
Solution
Solution steps
Divide both sides by
Divide both sides by
Simplify
Apply trig inverse properties
Use the following trivial identity:
periodicity table with cycle:
Popular Examples
-2cos(θ)+1=5cos(θ)+0sqrt(2)sin^2(θ)-sin(θ)=0,0<= θ<2picos(x^2)= 1/2sec^2(x)-7sec(x)=0e^{pi/2}-e^{arctan(1+x^2)}=0
Frequently Asked Questions (FAQ)
What is the general solution for 2arccos(x)=pi ?
The general solution for 2arccos(x)=pi is x=0