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y= tan(2tan^-1x/2), show that dy/dx= 4(1+y^2)/4+x^2

Genral solution of:2tan x + 3=0 Solve for x if: 2tan x +3 =0 and x E[-180;180]
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2. asked by Thule
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y= tan(2tan^-1x/2), show that dy/dx= 4(1+y^2)/4+x^2
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2. asked by saadia
3. 486 views
Show that the following are not trigonometric identities1.tan 2x = 2tan x 2. sec x= sqr rt 1+tan^2 x 3. sin(x+y)=sin x +sin y
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2. asked by Liv
3. 877 views
Which of the following functions of x can be integrated with respect to x without integration by parts, and purely using
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2. asked by Alice
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Q.NO.1: Show that the function z=ln(x^2 + y^2)+2tan^-1(y/x) satisfies Laplace’s equation.(∂^2z/∂x^2)+(∂^2z/∂y^2)=0
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2. asked by akash
3. 517 views
Q.N0.2: Show that u(x,y)=ln(x^2 + y^2) and v(x,y)=2tan^-1(y/x) satisfy Cauchy-Riemann equations(∂u/∂x)=(∂v/∂y) and
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2. asked by akash
3. 428 views
Q.NO.1: Show that the function z=ln(x^2 + y^2)+2tan^-1(y/x) satisfies Laplace’s equation.(∂^2z/∂x^2)+(∂^2z/∂y^2)=0
1. 1 answer
2. asked by akash
3. 1,154 views
cot^-1(2tan(cos^-18/17))+tan^-1(2tan(sin^-18/17))=tan^-1300/161
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2. asked by hasee
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i)The angle á lies between 0 and 90 and is such that 2tan sqaure á + sec square á=5-4tan á. show that3tan square á
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2. asked by Amr
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sec^2xcotx-cotx=tanx(1/cos)^2 times (1/tan)-(1/tan)=tan (1/cos^2) times (-2/tan)=tan (-2/cos^2tan)times tan=tan(tan) sq. root of
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2. asked by Trig
3. 857 views