Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • School
  • If a=tanA b=tan2A and c=tan3A what is the value of (c-b-a)/abc?

If a=tanA b=tan2A and c=tan3A what is the value of (c-b-a)/abc?

Answers (1)

best_answer

Given,

a=tanA, b=tan2A and c=tan3A

3A=2A+A

⇒tan3A=tan(2A+A)=(tan2A+tanA)/(1−tan2AtanA)

⇒tan3A−tan3Atan2AtanA=tan2A+tanA

⇒tan3A−tan2A−tanA=tan3Atan2AtanA

Hence, (c-b-a)/abc = 1

Posted by

Deependra Verma

View full answer

Similar Questions

Latest Question