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Alam banda
Answers (1)
Sin2x=2cos2x Diving both sides by cos2x,we get tan2x=2 Then, what's tan2x? It's ; 2tanx/1-tan²x =2 Cross multiply,we get -2tan²x+2tanx+2=o Diving by 2 the entire equation, -Tan²x+tanx+1=0 That's where I got stuck from 😢
