Solution
Solution
+1
Solution steps
Rewrite using trig identities
Solving each part separately
Combine all the solutions
Merge Overlapping Intervals
Popular Examples
Frequently Asked Questions (FAQ)
What is the general solution for cos(2a)+cos(a)=0 ?
The general solution for cos(2a)+cos(a)=0 is a= pi/3+(4pin)/3 ,a=pi+(4pin)/3