How do you find all solutions of the equation in the interval [0,2pi)[0,2π) given sqrt3tan3x=03tan3x=0?

1 Answer
Apr 9, 2017

x={0,pi/3,(2pi)/3,pi,(4pi)/3,(5pi)/3}x={0,π3,2π3,π,4π3,5π3}

Explanation:

sqrt2tan3x=0=>tan3x=02tan3x=0tan3x=0 as sqrt3!=030

Hence 3x=npi3x=nπ or x=(npi)/3x=nπ3

and in the interval [0,2pi)[0,2π)

x={0,pi/3,(2pi)/3,pi,(4pi)/3,(5pi)/3}x={0,π3,2π3,π,4π3,5π3}