Respuesta :

Answer:

it is 0

Explanation: i'm a human calculator

Answer:
d² θ/dt² + (g/l)θ = 0

Explanation:
https://scientificsentence.net/Equations/SRelativity/index.php?key=yes&Integer=lagrange

I made this website completely myself just for the explanation (real)!

-potatoseed69