Question 1029678
{{{4cos(x)=3sec(x)}}}
{{{4cos(x)=3/cos(x)}}}
{{{cos^2(x)=3/4}}}
{{{cos(x)=0 +- sqrt(3)/2}}}
{{{x=(1/6)pi}}} and {{{x=(11/6)pi}}}
{{{x=(5/6)pi}}} and {{{x=(7/6)pi}}}