Step-by-step explanation:
la respuesta está en la imagen de arriba .si necesita ayuda, no dude en preguntar
Bsbsvsvsvsvsvsvvzvzvzvzvzvz
The double angle formula for the sine is

The right hand side is exactly your expression, where 
So, rewriting the expression from right to left, we have

Answer:
Twenty divided by four equals five.
Answer:
what question baby girl
Step-by-step explanation: