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Solve: 2tan^(-1)(sinx)=tan^(-1)(2secx),x...

Solve: `2tan^(-1)(sinx)=tan^(-1)(2secx),x!=pi/2`.

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MODERN PUBLICATION-SAMPLE PAPER 2019-EXERCISE
  1. Construct the multiplication table xx(7) on the set {1,2,3,4,5,6}. Als...

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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: 2tan^(-1)(sinx)=tan^(-1)(2secx),x!=pi/2.

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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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  5. If A=[{:(1,2,3),(3,-2,1),(4,2,1):}] then show that A^(3)-23A-40I=O

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

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

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

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

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

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

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

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  14. Integrate the following int[(2x+1)/sqrt(x^2+10x+29)]dx

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  15. Evaluate : int0^(pi//2)(cosxdx)/((2-sinx)(3+sinx))

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  16. Find the area of the region bounded by the curve y=6x-x^2 and the x-ax...

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  17. Find differential equation of the curve y=ae^(3x)+be^(5x).

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

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  19. Find a unit vector perpendicular to both of the vectors veca + vecb an...

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  20. Show that (vecaxxvecb)^2 = a^2b^2 - (veca.vecb)^2.

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