SOLUTION: Can you please help me to solve this problem. The question reads; Find all solutions of the multiple-angle equation cos4x(cosx-1)=0 Thanks,

Algebra ->  Trigonometry-basics -> SOLUTION: Can you please help me to solve this problem. The question reads; Find all solutions of the multiple-angle equation cos4x(cosx-1)=0 Thanks,      Log On


   

Question 323911: Can you please help me to solve this problem. The question reads; Find all solutions of the multiple-angle equation cos4x(cosx-1)=0
Thanks,
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Solutions are for (0,2pi)
Two paths to solutions:
cos%284x%29=0
4x=pi%2F2 and 4x=%283%2F2%29pi
highlight%28x=pi%2F8%29 and highlight%28x=%283%2F8%29pi%29
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.
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cos%28x%29-1=0
cos%28x%29=1
highlight%28x=0%29 and highlight%28x=2pi%29