MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping
Menu
Grade: 11
        
If tanA ,tanB,tanC are in HP. Then a^2,b^2,c^2 are in
 
one year ago

Answers : (2)

Nishant Vora
IIT Patna
askIITians Faculty
2468 Points
							tanA ,tanB,tanC are in HP

we know thattanA = \frac{\Delta }{s(s-a)}

hence s(s-a)/ deltas(s-b)/ delta,s(s-c)/ delta are in AP

hence a,b ,c are in AP
one year ago
mycroft holmes
272 Points
							
@Nishant Vora: the formula is \tan \frac{A}{2} = \frac{\Delta}{s(s-a)}
one year ago
Think You Can Provide A Better Answer ?
Answer & Earn Cool Goodies

Get Extra Rs. 1,590 off

COUPON CODE: SELF10


Course Features

  • 731 Video Lectures
  • Revision Notes
  • Previous Year Papers
  • Mind Map
  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Test paper with Video Solution


Course Features

  • 31 Video Lectures
  • Revision Notes
  • Test paper with Video Solution
  • Mind Map
  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Previous Year Exam Questions


Get Extra Rs. 64 off

COUPON CODE: SELF10

Ask Experts

Have any Question? Ask Experts

Post Question

 
 
Answer ‘n’ Earn
Attractive Gift
Vouchers
To Win!!! Click Here for details