The case is alfa+(2m-1)beta=90 degree,m should be whole number. This Q is not ...
If I were boss, let beta=1d,alfa=11d,...I'm a little bit like a drunk now,...
The case is alfa+(2m-1)beta=90 degree,m should be whole number. This Q is not ...
If I were boss, let beta=1d,alfa=11d,...I'm a little bit like a drunk now,...