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If f(x) = cosx. cos2x. Cos4x. Cos8x.cos1...

If f(x) = cosx. cos2x. Cos4x. Cos8x.cos16x, then f '(pi/4) is :

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  2. If g(x)=(f(x))/((x-a)(x-b)(x-c)),where f(x) is a polynomial of degree ...

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  3. If f(x) = cosx. cos2x. Cos4x. Cos8x.cos16x, then f '(pi/4) is :

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  4. f(x)=e^(-1/x),w h e r ex >0, Let for each positive integer n ,Pn be th...

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  10. If cosx/2dotcosx/(2^2)dotcosx/(2^3)...oo=(sinx)/x , then find the valu...

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  11. Differentiate tan ^(-1)(sqrt(1+x^2 )-1)/x w,r,t. tan ^(-1)x

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  12. If 0ltx<1, then="" prove="" that="" (1-2x)="" (1-x="x^2)+(2x-4x^3)/(1-...

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  13. Find the derivative of f(tan x) w.r.t. g (sec x) at x=(pi)/(4), where ...

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  18. If y=(1/2)^(n-1)cos(ncos^(-1)x), then prove that y satisfies the diffe...

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