Rabin

Popular questions and responses by Rabin
  1. Math

    if vectors a+2b and 5a-4b are perpendicular to each other and a and b are unit vectors. Find the angle between a and b.

    asked on February 21, 2016
  2. maths

    solve: tanx+tan2x+√3tanx tan2x=√3 (0

    asked on January 2, 2017
  3. Science

    if a strong odour is smelt continuously for some time the sensation of smell of that substance weakness why?

    asked on January 31, 2016
  4. Math

    If 1/sinA+1/cosA =1/sinB+1/cosB, prove that: cot(A/2+B/2) = TanA. TanB

    asked on March 27, 2016
  5. Math Vector

    ABCDEF is a regular hexagon. Show that vecotr AB+AC+AD+EA+FA=4AB

    asked on March 12, 2016
  6. Maths Vector

    ABCDEF is a regular hexagon. Show that vecotr AB+AD+FA+EA=3AB

    asked on March 12, 2016
  7. Maths Vector

    ABCDEF is a regular hexagon. If AB=a,BC=b,express vector,AD AND AE in terms of a and b.

    asked on March 12, 2016
  8. Math

    P and Q are two points on the line x-y+1=0 and are at a distant of 5 units from the origin. Find the area of triangle POQ.

    asked on January 25, 2016
  9. Math

    In ∆ABC,D and E divides AB and AC in the ratio of 1:2 respectively. Prove that Vector DE=1/3BC.

    asked on February 25, 2016
  10. Opt math

    Prove :Tan20+4sin20=square root 3

    asked on August 2, 2016
  11. Math Vector

    ABCDEF is a regular hexagon. Show that vecotr AB+AD+FA+EA=3AB

    asked on March 12, 2016
  12. Maths

    Prove: 1+(TanA/SinB)^2/1+(TanA/SinC)^2 = 1+(SinA/TanB)^2/1+(SinA/TanC)^2

    asked on March 19, 2016
  13. Math Vector

    In ∆ABC, OA=3i-5j, OB=-7i+4j and the position vector of centroid G is 2i+j. Find OC.

    asked on February 25, 2016
  14. Opt math URGENT

    prove that : cos^3(θ)sin^2(θ)=1/16[2cos(θ)-3cos(θ)-5cos(θ)]

    asked on August 9, 2016
  15. maths

    Prove: sin^212+sin^221+sin^239+sin^248=1+sin^29+sin^218

    asked on March 12, 2018
  16. maths

    solve for x: cosecX+secX=2Square root 2

    asked on December 29, 2016
  17. Maths algebra

    Solve: 66x^3+5280x^2-56847=0

    asked on August 6, 2017
  18. Maths

    A shopkeeper has false balance. It weighs 10% profit when buying goods and weighs 10% loss when selling goods. Find the profit and loss percent by weighing?

    asked on August 27, 2016
  19. Maths

    Solve for: 4^x+4^(1/x)=18

    asked on February 8, 2018
  20. math

    if A+B+C=π prove that sin(B+2C)+sin(C+2A)+sin(A+2B)=4sin(B-C)/2 sin(C-A)/2 sin(A-B)/2

    asked on January 4, 2017
  21. Maths

    Some amount of money is distributed to a some students equally. If the number of student is decreased by 10 then they will get 20 rupees more. If student is increased by 10 then they will get 4 rupees less. Find the amount and number of student?

    asked on July 8, 2016
  22. Math

    If vector OA=4i+2j ,OB=6i-8j and OC=-2i+5j then find the value of

    asked on February 24, 2016
  23. Math

    Solve: (1-√3tanθ)+1+√3 = √3sec^2θ Where (0≤θ≤360)

    asked on February 21, 2016
  24. Math

    If m th tern of the geometric sequence is 1/n and n th term is 1/m then show that sum of first term s(mn)=1/2 (mn+1).

    asked on February 26, 2016
  25. Math

    Solve:(a+x)^2/3+(a-x)^2/3=3(a^2-x^2)^1/3

    asked on January 26, 2016
  26. science

    why ac current has variable frequency and voltage? I din't understand about hertz. please make me clear about it?

    asked on January 18, 2017
  27. Math urgent

    X,Y and Z can do a piece of work in 15 days. If X takes twice as much as Y and Z together and Y takes thrice as much as X and Z together, how long days will each take to finish a work.

    asked on September 5, 2016
  28. Maths

    Prove that:sin(x+2y)+sin(y+2z)+sin(z+2x)=4sin(x-y)/2sin(y-z)/2sin(z-x)2

    asked on August 15, 2016
  29. Math

    In what ratio the line segment AB divided by P where, OA= 4i+2j, OB=18i+4j and OP=8i+4j.

    asked on February 22, 2016
  30. Math

    In ∆ABC, AD median of BC where position vectors of A and D are 3i-2j and -3i-4j respectively. Find the position vector of centroid G of the ∆ABC.

    asked on February 22, 2016
  31. physics

    A body is thrown with initial velocity 50ms-1 at the angle 60• With the horizontal. Calculate the horizontal range ,also calculate what another angle achieve the same?

    asked on January 23, 2012
  32. Math

    If m th term of the geometric series is 1/n and n th term is 1/m then show that sum of first (mn) th term of this series is 1/2 (mn+1).

    asked on February 26, 2016
  33. Math

    If vector OA=4i+2j ,OB=6i-8j and OC=-2i+5j then find the value of

    asked on February 24, 2016
  34. Maths

    X,Y and Z can do a piece of work in 15 days. If X takes twice as much as Y and Z together and Y takes thrice as much as X and Z together, how long days will each take to finish a work.

    asked on September 5, 2016
  35. Science

    What do you mean by resultant vector?

    asked on August 19, 2016
  36. Science

    which part of the tongue is stimulated by more temperature? Explain.

    asked on January 31, 2016
  37. Maths urgent

    4^x+4^(1/x)=18

    asked on February 8, 2018
  1. Math urgent

    Find two separate equation of x^2+2xy+y^2-2x-2y-15=0

    posted on September 5, 2016
  2. Maths

    How to solve two variable in one time please.. Help me

    posted on July 9, 2016
  3. Maths Vector

    ABCDEF is a regular hexagon. Show that vecotr AB+AD+FA+EA=3AB

    posted on March 12, 2016
  4. Math

    If m th term of the geometric series is 1/n and n th term is 1/m then show that sum of first (mn) th term of this series is 1/2 (mn+1).

    posted on February 27, 2016