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: 11

                        

the number of values of x satisfying the equation √3 cos x + sin x = 1 in the interval [ 0, pi] i got that sin ( 60 + x) = sin(30) but i didn’t get how the soltuion for this question is 4

2 years ago

Answers : (1)

8279954633
15 Points
							It is basically a quadratic equation in sinxconsider sinx=t so the equation reduces to2t^2+5t-3=0Which implies2t^2+6t-t-3=0On further equating (factorising)2t(t+3)-(t+3)=0So (t+3)(2t-1)=0 noweither t+3=0=>t=-3(impossible as t=sinx and -1t=½=>sinx=½=>x=π/6,5π/6,13π/6,17π/6 (0,3π)
						
2 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

  • 31 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