Question

$\tan( 2\alpha ) \div (1 + \ \sin(2 \alpha ) ) = \tan( \alpha )$
​

Answer 1

Answer:

I forgot how to do that..

Step-by-step explanation:

A quasar (/ˈkweɪzɑːr/; also known as a quasi-stellar object, abbreviated QSO) is an extremely luminous active galactic nucleus (AGN), in which a supermassive black hole with mass ranging from millions to billions of times the mass of the Sun is surrounded by a gaseous accretion disk.