Question

plz help to prove this trigonometry

Answer 1

tumhara question ka answer ye rha

Answer 2

Dear friend,here is the answer............

tan3x=tan(2x+x)

or,tan3x=(tan2x+tanx)/1-tan2x×tanx

or,tan3x-tan3x×tan2x×tanx=tan2x+tanx

or,tan3x-tan2x-tanx=tan3x×tan2x×tanx

or,tan3x×tan2x×tanx=tan3x-tan2x-tanx[PROVED]

Hope it will help you