Establish the identity: sin(alpha-beta)/cos alpha cos beta = tan alpha tan beta

Solve this system of equations using the elimination method?

Me im timed! gustavo is completing his homework online. when he uses a computer, what converts the information he inputs into instructions that the operating system understands? the keyboard the bios the cpu the application software

Ronan has been working as domestic at a large mansion since a few months. recently, he has taken his employer’s seven-year-old boy by force and held him captive. he has demanded money from his employer in return of the boy. which crime has ronan committed? a. treason b. sedition c. assault and battery d. kidnapping