Rabinprakash Dahal

Most popular questions and responses by Rabinprakash Dahal
  1. Maths

    If Tan (A+B)=1/3 and Tan(A-B)=2/5,then prove that A.Tan2A=11/13 B.Tan2B=-1/17

    asked on September 1, 2015
  2. Math

    prove: tan10+tan70+tan100=tan10.tan70.tan100

    asked on September 5, 2015
  3. Maths

    if m1 and m2 be the numberof sexagesimal and centasimal minute of any angle, prove that m1/27=m2/50.

    asked on September 8, 2015
  4. Maths urgent

    One regular polygon has twice as many sides as another. If the ratio of the interior angles of the first to that of second is 5:4, find the number of sides in each polygon?

    asked on September 13, 2015
  5. TC Maths

    Prove sin^2(x)-cos^2(y)/Sinx cosx-Sinycosy=TAN(x+y)

    asked on September 30, 2015
  6. TC

    There are n arithmetic means between 1 and 31 such that seventh mean:(n-1)th mean =5:9. Find n.

    asked on August 25, 2015
  7. Maths urgent

    a sum of money is invested for 3 years at a certain rate of interest. had the rate of interest been 1% more, it would have fetched rs 18 more than before. find the sum invested?

    asked on November 3, 2015
  8. TC

    If Tan (A+B)=1/3 and Tan(A-B)=2/5,then prove that A.Tan2A=11/13 B.Tan2B=-1/17

    asked on September 1, 2015
  9. Maths urgent

    Solve.√(2)sec(x)+tan(x)=1 0≤x≤360

    asked on December 3, 2015
  10. English

    is it possible to use was after did?

    asked on October 12, 2015
  11. TC

    Prove:sin ^2(7π/8)+sin^2(5π/8)+sin^2(3π/8)+sin^2(π/8)=0

    asked on September 1, 2015
  12. TC

    If the height of hemisphere and cone is 49cm and height of cone is 35cm find the volume of solid.

    asked on August 25, 2015
  1. Maths

    if m1 and m2 be the numberof sexagesimal and centasimal minute of any angle, prove that m1/27=m2/50.

    posted on September 8, 2015
  2. TC

    If Tan (A+B)=1/3 and Tan(A-B)=2/5,then prove that A.Tan2A=11/13 B.Tan2B=-1/17

    posted on September 1, 2015
  3. math

    There are n arithmetic means between 1 and 31 such that seventh mean :( n -1)th mean = 5 : 9. Find n.

    posted on August 25, 2015