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.
Close

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: 

                        
Prove that Sin 2 12 +sin 2 21+sin2 39 +sin 2 48 = 1+sin 2 9+sin 2 18
8 years ago

Answers : (1)

Neha Jain
4 Points 
							
Sorry the exact question is:


instead of sin 2 39 it is sin2 39


Sin2 12 +sin221+sin2 39 +sin248 = 1+sin2 9+sin2 18
8 years ago
Think You Can Provide A Better Answer ?
Answer & Earn Cool Goodies

Other Related Questions on Trigonometry

please help me in prove that costheta+cosphi/sintheta+sinphi=sintheta-sinphi/cosphi-costheta Answer & Earn Cool Goodies
In a ABC, the point D divides BC in the ratio 1:2. Also AD is perpendicular to AB. If the value of... Answer & Earn Cool Goodies
How are data organized in a spreadsheet? A) Lines & spaces B) Layers & Planes C) Height & Width D)...
If x+y+z=pi Prove: Cotx/2 + coty/2 + cotx/2=cotx/2*coty/2*cotz/2
sec A tan B+tan A secB = 2 then, sec A sec B+tan A tan B = k. then k value
View all Questions »


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