sin-1(1-x)-2sin-1x=pi/2
If y=cot-1(square root cosx) - tan-1(square root cosx)
prove that sin y= tan2 x/2.
if tan-1x+tan-1y+tan-1z=π/2 show that xy+yz+zx=1?
Solve for x : sin-1 6x + sin-1 6root3 x = -pi/2
solve for X
sin-1x + sin-12x = ∏/3
Solve for the equation cos (tan-1x) = sin(cot-13/4)
if sin -1x +sin-1 y+ sin-1 z= pie ,prove that
a)x( root 1-x2)+y( root 1- y2)+ z(root 1-z2)= 2xyz
b)x4+ y4+z4+ 4 x2y2z2= 2( x2y2+y2z2+ z2x2)
If tan-1{root (1+x2) - root(1-x2)}/{ root (1+x2) +root (1-x2)} =theta , then prove that x2 =sin 2 theta .
Solve for x - tan^-1 (x+1) + tan^-1 (x-1) = tan^-1 8/31
prove that
2tan-1 [ { (a-b) / (a+b) }1/2 tan x/2 ] = cos-1{ (b +acos x ) / (a+bcos x) }
prove that sec square (tan inverse 2) +cosec square (cot inverse 3) =15
sin-1(1-x)-2sin-1x=pi/2
If y=cot-1(square root cosx) - tan-1(square root cosx)
prove that sin y= tan2 x/2.
if tan-1x+tan-1y+tan-1z=π/2 show that xy+yz+zx=1?
Solve for x : sin-1 6x + sin-1 6root3 x = -pi/2
solve for X
sin-1x + sin-12x = ∏/3
Solve for the equation cos (tan-1x) = sin(cot-13/4)
if sin -1x +sin-1 y+ sin-1 z= pie ,prove that
a)x( root 1-x2)+y( root 1- y2)+ z(root 1-z2)= 2xyz
b)x4+ y4+z4+ 4 x2y2z2= 2( x2y2+y2z2+ z2x2)
If tan-1{root (1+x2) - root(1-x2)}/{ root (1+x2) +root (1-x2)} =theta , then prove that x2 =sin 2 theta .
Solve for x - tan^-1 (x+1) + tan^-1 (x-1) = tan^-1 8/31
prove that
2tan-1 [ { (a-b) / (a+b) }1/2 tan x/2 ] = cos-1{ (b +acos x ) / (a+bcos x) }
prove that sec square (tan inverse 2) +cosec square (cot inverse 3) =15
pls answer , I have a test tomorrow :/