Rabinprakash Dahal
Most popular questions and responses by Rabinprakash Dahal
Maths
If Tan (A+B)=1/3 and Tan(AB)=2/5,then prove that A.Tan2A=11/13 B.Tan2B=1/17
asked on September 1, 2015 
Math
prove: tan10+tan70+tan100=tan10.tan70.tan100
asked on September 5, 2015 
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 
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 
TC Maths
Prove sin^2(x)cos^2(y)/Sinx cosxSinycosy=TAN(x+y)
asked on September 30, 2015 
TC
There are n arithmetic means between 1 and 31 such that seventh mean:(n1)th mean =5:9. Find n.
asked on August 25, 2015 
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 
TC
If Tan (A+B)=1/3 and Tan(AB)=2/5,then prove that A.Tan2A=11/13 B.Tan2B=1/17
asked on September 1, 2015 
Maths urgent
Solve.√(2)sec(x)+tan(x)=1 0≤x≤360
asked on December 3, 2015 
English
is it possible to use was after did?
asked on October 12, 2015 
TC
Prove:sin ^2(7π/8)+sin^2(5π/8)+sin^2(3π/8)+sin^2(π/8)=0
asked on September 1, 2015 
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

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 
TC
If Tan (A+B)=1/3 and Tan(AB)=2/5,then prove that A.Tan2A=11/13 B.Tan2B=1/17
posted on September 1, 2015 
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