Question Number 84988 by jagoll last updated on 18/Mar/20
$$\mathrm{prove}\:\mathrm{that}\: \\ $$$$\mathrm{sin}\:^{\mathrm{2}} \mathrm{x}+\mathrm{cos}\:^{\mathrm{2}} \mathrm{y}\:=\:\mathrm{tan}\:^{\mathrm{2}} \mathrm{z}+\mathrm{cot}\:^{\mathrm{2}} \mathrm{z} \\ $$
Commented by MJS last updated on 18/Mar/20
$$\mathrm{strange}\:\mathrm{question} \\ $$
Commented by jagoll last updated on 18/Mar/20
$$\mathrm{hahahaha} \\ $$
Commented by mind is power last updated on 18/Mar/20
$${please}\:{complet}\:{the}\:{quation}\:{no}\:{sens} \\ $$
Commented by jagoll last updated on 18/Mar/20
$$\mathrm{i}\:\mathrm{don}'\mathrm{t}\:\mathrm{know}\:\mathrm{sir}.\:\mathrm{someone}\:\mathrm{share}\:\mathrm{to}\:\mathrm{me} \\ $$