Question 1137918

{{{tan(39)tan(3)=tan(15)tan(9) }}}°

{{{0.809784033195*0.052407779283=0.2679491924311227*0.15838444 }}}

{{{0.04243898=0.04243898 }}}

The left side {{{0.04243898}}} is equal to the right side{{{ 0.04243898}}}, which means that the given statement is always {{{true}}}.

answer: proven to be {{{true}}}