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Solve for x, 2 tan ^(-1)(cos x) =tan^(-1...

Solve for `x, 2 tan ^(-1)(cos x) =tan^(-1) (2"cosec"x)`.

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USHA PUBLICATION-PREVIOUS YEAR QUESTION 2019-PREVIOUS YEAR QUESTION
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  2. Let R be the relation on the set R of real numbers such that aRb iff a...

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  3. Solve for x, 2 tan ^(-1)(cos x) =tan^(-1) (2"cosec"x).

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  4. Prove that : "cos"^(-1) ((b+a "cos"x)/(a+b "cos"x)) =2"tan"^(-1)(sqr...

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  9. If A=[[1,2,0],[0,1,3],[-2,5,3]], then verify that A+A' is symmetric an...

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  10. If A=[[1,2,3],[3,-2,1],[4,2,1]]"show that"A^3-23A-40I=0

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  11. Find (d^2y)/(dx^2) if x=a costheta,y=bsintheta.

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  14. Find the intervals in which the function y=(lnx)/(x) is increasing and...

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  15. If y=e^(x^(e^(x^(e^x)))), then find dy/dx.

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  19. Obtain the general solution of the following differential equations. (...

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