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Prove that , if y=logtan((pi)/(4)+(x)/(2...

Prove that , if `y=logtan((pi)/(4)+(x)/(2))` , then `(dy)/(dx)=secx`

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Prove that d/dxlntan(pi/4+x/2)=secx .

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SHARAM PUBLICATION-QUESTION PAPER 2012-EXERCISE
  1. Determine the maximum value of |[cosx sinx], [-sinx cosx-1]|.

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  2. Write the solution of the following LPP Maximise Z=x+y Subject to ...

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  3. Prove that , if y=logtan((pi)/(4)+(x)/(2)) , then (dy)/(dx)=secx

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  4. Differentiate with resi to x : Y = 2^(x^2) + tan^(-1)((cosx-sinx)/(cos...

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  5. Find ((dz)/(dx))if z = x^cosx.

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  6. Evaluate lim(x to π/2) log(x-π/2)/tan x

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  7. Find the equation of tangent to the curve x=y^2-2 at the points where ...

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  8. Integrate: int (cos2x)/(cosx+sinx)dx

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  9. Evaluate: int 2a^(x^(2))xdx

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  10. Find the area of the region bounded by the curve y=6x-x^(2), the X-axi...

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  11. Find the solutions of the following differential equations : y^(2)+x...

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  12. Solve the following differential equations x log x (dy)/(dx)+y= 2 lo...

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  13. Find a vector vec(b) such that vec(a) xx vec(b) = vec(c) and vec(a).ve...

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  14. Prove by vector method that in a Delta ABC, c^(2) = a^(2) + b^(2) - 2a...

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  15. Find the co-ordinates of the point where the perpendicular from the or...

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  16. Solve for x, |{:(15-2x,11,10),(11-3x,17,16),(7-x,14,13):}|=0

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  17. If A=[{:(-1,3,5),(1,-3,-5),(-1,3,5):}], then find A^(3)-A^(2).

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  18. Find the value of the term free from X in the expansion of (3/2(x^(2))...

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  19. A and B are two events. If P(A) = (3)/(8), P(B) = (1)/(2) and P(A nn B...

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  20. If A and B are independent events,show that A^c and B^c are independ...

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