Question Number 167536 by mkam last updated on 19/Mar/22
$${is}\:{cos}\left({t}+\frac{\pi}{\mathrm{2}}\right)\:{trigonometric}\:{function}\:? \\ $$
Commented by mkam last updated on 19/Mar/22
$$????? \\ $$
Commented by MJS_new last updated on 19/Mar/22
$$\mathrm{what}\:\mathrm{do}\:{you}\:\mathrm{think}? \\ $$
Commented by mkam last updated on 19/Mar/22
$${i}\:{think}\:{is}\:{period}\:{function} \\ $$
Commented by MJS_new last updated on 19/Mar/22
$$\mathrm{what}\:\mathrm{is}\:\mathrm{a}\:\mathrm{trigonometric}\:\mathrm{function}? \\ $$