Question Number 202143 by otchereabdullai@gmail.com last updated on 21/Dec/23
$$\:{find}\:{x}\:{in}\:{the}\:{interval}\:\:\mathrm{0}°<{x}<\mathrm{360}°\:{if} \\ $$$$\:\:{f}\left({x}\right)=\:\mathrm{6}{sinx}\:{is}\:−\mathrm{12} \\ $$
Commented by otchereabdullai@gmail.com last updated on 22/Dec/23
$${answer}\:{in}\:{the}\:{book}\:{is}\:\mathrm{210}°\:{and}\:\mathrm{330}°\: \\ $$$${but}\:{i}\:{dont}\:{know}\:{how}\:\:{he}\:{come}\:{about}\: \\ $$$${it} \\ $$
Commented by deleteduser1 last updated on 21/Dec/23
$$−\mathrm{6}\leqslant\mathrm{6}{sin}\left({x}\right)\leqslant\mathrm{6} \\ $$
Commented by otchereabdullai@gmail.com last updated on 22/Dec/23
$${answer}\:{should}\:{be}\:{interms}\:{of}\:{angles} \\ $$$${sir} \\ $$
Commented by deleteduser1 last updated on 22/Dec/23
$$\mathrm{6}{sin}\left({x}\right)\neq−\mathrm{12}\:{for}\:{any}\:{x} \\ $$
Commented by deleteduser1 last updated on 22/Dec/23
$${That}'{s}\:−\mathrm{3}\:{not}\:−\mathrm{12} \\ $$