Question 928166
Substitute,
{{{u=sin(x)}}}
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{{{3u^2-7x+2=0}}}
{{{(u-2)(3u-1)=0}}}
Two "u" solutions:
{{{u-2=0}}}
{{{u=2}}}
{{{sin(x)=2}}}
No solution since {{{sin(x)<=1}}}
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{{{3u-1=0}}}
{{{3u=1}}}
{{{u=1/3}}}
{{{sin(x)=1/3}}}
{{{x=19.5}}} and {{{x=160.5}}} {{{degrees}}}