Recently Commented Questions

• Identities.
  A+B+C=180 degree. Prove that, 1)sin(B+2C) + sin (C+2A) + sin(A+2B) = 4sin(B-C)/2* sin(C-A)/2 *sin(A-B)/2 2) (sin2A+sin2B+sin2C)/(sinA+sinB+sinC) = 8*sin(A/2)*sin(B/2)*sin(C/2) 3)sin(B+C-A) + sin(C+A-B) + sin(A+B-C) =4sinAsinB ...
  0·7· #Mathematics#Trignometry
  commented2017-03-09 09:27:31
• remainder
  find the remainder when 2740 is divided by 12 ...
  0·5· #Mathematics#Algebra
  commented2017-02-18 23:15:14