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Write the value of cos^-1cos((3pi)/2)....

Write the value of `cos^-1cos((3pi)/2).`

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USHA PUBLICATION-PREVIOUS YEAR QUESTION 2019-PREVIOUS YEAR QUESTION
  1. Write the value of k such that the line (x-4)/1=(y-2)/1=(z-k)/2 lies o...

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  2. A R is a relation on set A such that R=R^(-1), then write the type of ...

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  3. Write the value of cos^-1cos((3pi)/2).

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  4. IF |{:(1+x,x,x^2),(x,1+x,x^2),(x^2,x,1+x):}| =a+bx+cx^2+dx^3+ex^4+fx^5...

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  5. Let A and B be two mutually exclusive events, such that P(A)= (1)/(2) ...

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  6. If f'(2^+) = 0 and f'(2^-)=0, then is f(x) continuous at x=2 ?

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  7. If f is an odd function, then write the value of int-a^a(f(sinx))/(f(c...

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  8. Write the order of the differential equaiton whose solution is given b...

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  9. Let R be the relation on the set R of real numbers such that aRb iff a...

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

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

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  12. Construct the multiplication table X7 on the set {1, 2, 3, 4, 5, 6}. A...

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  13. Solve the following : [[x+1,omega,omega^2],[omega,x+omega^2,1],[omega^...

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  14. A person takes 4 tests in succession. The probability of his passing t...

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  15. Find the probability distribution of number of heads in three tosses...

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

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

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

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  19. Verify lagrange's Mean-Value theorem for F(x) = x^3 - 2x^2 - x + 3 o...

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  20. Find the point on the curve x^2 + y^2 - 4xy + 2 = 0 where the normal...

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