Question Number 200450 by hardmath last updated on 18/Nov/23
$${if}\:\:\:\frac{{sin}\mathrm{4}{x}}{{cos}\mathrm{6}{x}}\:=\:\mathrm{0}\:\:\:{find}\:\:\:{x}\:=\:? \\ $$
Answered by Frix last updated on 19/Nov/23
$$\mathrm{sin}\:\mathrm{4}{x}\:=\mathrm{0}\wedge\mathrm{cos}\:\mathrm{6}{x}\:\neq\mathrm{0}\:\Rightarrow\:{x}=\frac{{n}\pi}{\mathrm{2}} \\ $$