badge image

Enroll For Free Now & Improve Your Performance.

×
User Icon
User Icon
User Icon
User Icon
User Icon

Thank you for registering.

One of our academic counsellors will contact you within 1 working day.

Please check your email for login details.
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: 12

                        

Show that the min value of 4x 2 +4x |sin@| - cos 2 @ is -1

11 years ago

Answers : (1)

Pratham Ashish
17 Points
							

hi,

p = 4x2+4x |sin@| -  cos2@  is -1

   = 4x2+4x |sin@| -1 + sin2@                 (  sin2@  = |sin@| ^2 )

   =4x2+4x |sin@| + |sin@| ^2 - 1

   = ( 2x + |sin@| )^2  -1

 give min . value when the squre part will be equal to zero.

 hence min. value = -1 

11 years ago
Think You Can Provide A Better Answer ?
Answer & Earn Cool Goodies


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

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


Ask Experts

Have any Question? Ask Experts

Post Question

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