Asked by Bobby
2cos(1/2x)-cos(1/2x)=0 , where 0<x<2pi
determine the complete solution for the equation
determine the complete solution for the equation
Answers
Answered by
Steve
huh? If you let u=cos(1/2x) then you just have
2u-u=0
clearly u=0
when is cos(1/2x)=0?
2u-u=0
clearly u=0
when is cos(1/2x)=0?
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