Flag Trigonometry> Prove that tan²2x - tan²x / 1- tan²2x tan...
question mark

Prove that tan²2x - tan²x / 1- tan²2x tan²x = tan3x tanx

Aditi Chaturvedi , 7 Years ago
Grade 12
anser 1 Answers
Ritesh Khatri

Last Activity: 7 Years ago

(tan²2x - tan²x) / (1- tan²2x tan²x)

= [(tan2x - tanx)*(tan2x + tanx)]/[(1- tan2x tanx)*(1+ tan2x tanx)]
[(tan2x - tanx)/(1+ tan2x tanx)]*[(tan2x + tanx)/(1- tan2x tanx)]
=(tan2x-x)*(tan2x+x)
=tanx*tan3x





 

star
LIVE ONLINE CLASSES

Prepraring for the competition made easy just by live online class.

tv

Full Live Access

material

Study Material

removal

Live Doubts Solving

assignment

Daily Class Assignments