Subject: Maths, asked on 5/6/15

## Find x : tan-1 ( x-1 ) + tan-1x + tan-1 ( x+1 ) = tan-1 3x

Subject: Maths, asked on 4/10/18

## find value of cot 15  degree + cot 75 degree +cot 315 degree

Subject: Maths, asked on 20/2/14

## how to solve tan-1 2x/1-x2 + cot-1 1-x2/2x = pie/3

Subject: Maths, asked on 27/3/16

## If cot^-1 (3/4) = X , find the value of sin x

Subject: Maths, asked on 4/12/13

## sin inverse sin 3pi/5????

Subject: Maths, asked on 22/6/15

## tan inverse [ root ( 1 + x ) - root ( 1 - x ) / root( 1 + x )+ root ( 1 - x ) ] = pi/4 - 1/2 cos inverse x

Subject: Maths, asked on 16/4/14

## Write the function, cot^-1 (sqrt(1+x^2)+x) in the simplest form

Subject: Maths, asked on 15/4/17

## Let ${\mathrm{cos}}^{-1}x+{\mathrm{cos}}^{-1}\left(2x\right)+{\mathrm{cos}}^{-1}\left(3x\right)=\pi$. If x satisfies the cubic ax3 + bx2 + cx – 1 = 0, then find of a + b + c.

Subject: Maths, asked on 26/7/13

## If tan-1x+tan-1y+tan-1z=pie, prove x+y+z=xyz

Subject: Maths, asked on 6/4/19

## find the value of cosec(tan-1 (-root 3))

Subject: Maths, asked on 22/6/15

## cot inverse [ root ( 1 + sinx ) + root ( 1 - sinx ) / root ( 1 + sinx ) - root ( 1 - sinx ) ] = x/2

Subject: Maths, asked on 28/3/15

## once upon a time dring during an athlete meet in stadium .8 girls were getting ready fr the race . with the sound of d pistol . all girls started running . hardly they covered 10 to 15 metres when accidentally one girl slipped and fell .due to the pain the girl started crying as soon as the other 7 girls heard her cry all of dem stopped running stood for a while and turned back and ran towards her suddenly the girls returned to her pacified her joined their hands together and reached the finishng line the officials were shocked to see such scene and unity nd quite a many eyes were filled with tears based on the above passage answer the follwng questions 1. what values do they teach ?2.what quality girls have shown by walking together ?3. what was so special baout this race ? this a value based question in cbse i hope you can help me out with d perfect ansers for d same ..it is for physical educatuion but i felt it is more of general knowledge ..plese provide with the best answers for d same as soon as possible ..thanks a lot in advance meritnation experts :) please do as fast as you can :)

Subject: Maths, asked on 6/3/14

## tan-1 x + 2cot-1 x = 2pi/3 find value of x

Subject: Maths, asked on 27/5/15

## Evaluate tan^(-1) 2+tan^(-1) 2/9+ tan ^(-1) 2/25 tan^(-1)2/49+....upto n terms

Subject: Maths, asked on 27/6/13

## sin(1/2 cos inverse 4/5) ??evaluate

Subject: Maths, asked on 22/6/15

## prove that tan-1 ( cosx /1-sinx) - cot -1( whole root 1+cosx/1-cosx) = pi/4

Subject: Maths, asked on 29/3/14

## prove that 2 tan-1 (root of a+b/a-b tn theta/2) = cos -1 (acos theta b/a b cos theta)

Subject: Maths, asked on 13/3/13

## Find x if tan-1 4 + cot-1 x = pi / 2.

Subject: Maths, asked on 11/6/15

## simplifysin-1(sinx+cosx/root 2)where pie

Subject: Maths, asked on 11/12/13

## Simplifysin ( 2cos-1x)

Subject: Maths, asked on 9/2/16

## evaluate sin(2 cos-1(-3/5))

Subject: Maths, asked on 25/3/13

## evaluate cos[sin-1 1/4 + sec-1 4/3]

Subject: Maths, asked on 14/6/14

## Find x if sin-1(5/x) + sin-1(12/x) =pi/2

Subject: Maths, asked on 4/10/18

## find value of 4sin3 75 degree -3cos 15 degree

Subject: Maths, asked on 19/6/15

## sin^-1 x - cos^-1 x = pi/6

Subject: Maths, asked on 7/4/18

## prove thattan inverse 3/4 +tan inverse 3/5 -tan inverse 8/19 = pie/4sin inverse 3/5 +sin inverse 8/17 = sin inverse 77/ 85sin inverse 12/13 +cos inverse 4/5 +tan inverse 63 /16 = pie

Subject: Maths, asked on 25/8/14

## IF y = sin-1 (2x+1/1+4x) find dy/dx

Subject: Maths, asked on 14/6/14

## Prove that cot-1(13) + cot-1(21) + cot-1(-8) = pi

Subject: Maths, asked on 26/3/13

## cot[pi/4 - 2cot-1 3] =7

Subject: Maths, asked on 28/4/19

## show that tan inverse x+ tan inverse y + tan inverse z = tan inverse (x+y+z-xyz)/ (1-yz-zx-xy)

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