Question Number 132874 by aurpeyz last updated on 17/Feb/21
$${n}=\frac{\mathrm{360}}{\theta}−\mathrm{1}\:{or}\:{n}=\frac{\mathrm{360}}{\theta}\:{for}\:{plane} \\ $$$${mirrors}\:{inclined}\:{an}\:{angle}\:\theta\:{to} \\ $$$${eachother}.\:{which}\:{is}\:{correct}? \\ $$
Commented by Dwaipayan Shikari last updated on 17/Feb/21
$$\mu=\frac{\mathrm{360}°}{\theta°}−\mathrm{1}\:\:{or}\:\:\mu=\frac{\mathrm{2}\pi}{\theta}−\mathrm{1}\:\:\:\left({Radian}\right) \\ $$