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Find (dy)/(dx) when : tan^(2)y=(1+cos...

Find `(dy)/(dx)` when :
`tan^(2)y=(1+cos 2x)/(1-cos2x)`

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CHHAYA PUBLICATION-DIFFERENTIATION-EXERCISE 3A ( Long Answer Type Questions)
  1. Find (dy)/(dx) when : y=log sqrt((1-cosx)/(1+cosx))+a^(x)

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  2. Find (dy)/(dx) when : y= (x^(3)* sqrt(x^(2)-12))/( 3 sqrt(20-3x))" w...

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  3. Find (dy)/(dx) when : tan^(2)y=(1+cos 2x)/(1-cos2x)

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  4. Find (dy)/(dx) when : e^(y)-(a+b tan x)/(a-b tan x)=0

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  5. Find (dy)/(dx) when : y= 2 tan^(-1) sqrt((x-a)/(b-x))

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  6. Find (dy)/(dx) when : y="cos"^(-1)(a+b cos x)/(b+a cos x)(b gt a)

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  7. Find (dy)/(dx) when : y= tan^(-1)[sqrt((a-b)/(a+b))"tan"(x)/(2)]

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  8. Find (dy)/(dx) when : y=sin[2 tan^(-1) sqrt((1-x)/(1+x))]

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  9. Find (dy)/(dx) when : y="sin"^(-1) (1)/(sqrt(1+x^(2)))+tan^(-1) ( (...

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  10. Find (dy)/(dx) when : x^(sin y)+y^(sinx)=1

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  11. If y=[(tan x)^(tan x)]^(tan x)," find " (dy)/(dx)" at " x=(pi)/(4).

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  12. If y=(1+sin theta+cos theta)/(1+sin theta-cos theta)," show that, " (...

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  13. If tan y=(tan x+sec x-1)/(tan x-sec x+1), " show that, " (dy)/(dx)=(1...

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  14. If y= tan^(-1)((a cos x-b sin x)/(b cos x+a sin x))" show that, " (dy...

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  15. If cosy=x cos(a+y)," prove that " (dy)/(dx) =(cos^(2)(a+y))/(sin a), ...

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  16. If y^(x)=e^(y-x)" prove that, " (dy)/(dx)=((logey)^(2))/(log y).

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  17. If y= (x)/(2) sqrt(x^(2)-a^(2))-(a^(2))/(2) log (x+sqrt(x^(2)-a^(2)))...

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  18. If y= 2"sin"^(-1)(x-2)/(sqrt(6))-sqrt(2+4x-x^(2)), show that (dy)/(dx...

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  19. If f(x)=((a+x)/(1+x))^(a+1+2x), show that f'(0) =a^(a+1)[2log a+(1-a^...

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  20. If f(x)=((a+x)/(b+x))^(x)+cosx find f'(0).

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