Question Number 39346 by ajfour last updated on 05/Jul/18
Commented by math1967 last updated on 05/Jul/18
$${Is}\:\theta=\mathrm{2sin}^{−\mathrm{1}} \left(\frac{\mathrm{1}}{\mathrm{4}}\right)\:? \\ $$
Commented by ajfour last updated on 05/Jul/18
$${Yes}\:{of}\:{course},\:{Sir}.\:{Thank}\:{you}. \\ $$$$\left({appetizers}\:{only}\right). \\ $$