MY CART (5)

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

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

⇐ BackProceed to Checkout ⇒
There are no items in this cart.
Continue Shopping
Menu
Grade: 11 
        
if cotxcot7x+cotxcot4x+cot4xcot7x=1 then general solution of x is?
3 years ago

Answers : (1)

Lab Bhattacharjee
121 Points 
							
Multiplyboth sides by tanx tan4x tan7x,  tanx+tan4x+tan7x=tanx tan4x tan7x
 
Now tan(A+B+C)=( tanx+tan4x+tan7x-tanx tan4x tan7x)/(1- tanxtan4x-tan7x tan4x-tanx tan7x)
 
So, tan(x+4x+7x)=0, implies x+4x+7x=n pi where n is any integer
3 years ago
Think You Can Provide A Better Answer ?
Answer & Earn Cool Goodies

Other Related Questions on Trigonometry

I did not understand a step in the solution of this question... The step which has a box around it.... Answer & Earn Cool Goodies
I did not understand the step which has a box around it... How did that part come? Answer & Earn Cool Goodies
Sir I have doubt on both the questions.please answer....
If cos (α+β) = 4/5 and sin (α-β) = 5/13 Then tan 2α =?
Plz solve these questions which I have attached the image......
View all Questions »

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