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Prove statement"tan"^2 "cos"^(-1)1/sqrt3...

Prove statement`"tan"^2 "cos"^(-1)1/sqrt3 +"cot"^2 "sin"^-1 1/sqrt5 =6`

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USHA PUBLICATION-MODEL QUESTION SET-MODEL QUESTION SET
  1. What is the slope of the normal to the curve x^(2/3)+y^(2/3)=20 at the...

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  2. Find the degree and the order of the differential equation (dy/dx)+1+f...

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  3. Prove statement"tan"^2 "cos"^(-1)1/sqrt3 +"cot"^2 "sin"^-1 1/sqrt5 =6

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  4. Let R={(m,n):2 divides m+n} on Z. Show that R is an equivalence relati...

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  5. Find the feasible solution region of x+yle1,2x+3yle6,xge0,yge0.

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  6. Prove statement tan ( 2 "tan"^(-1)1/5-pi/4) + 7/17 =0

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  7. Prove that for any f:X rarr Y , f o idx = f =idY of.

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  8. If ABC is a triangle, then prove that abs[[tanA,1,1],[1,tanB,1],[1,1,...

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  9. Find B if B^(2)=[{:(17,8),(8,17):}]

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  10. If f(x)=[[1+sin^2x,cos^2x,4sin2x],[sin^2x,1+cos^2x,4sin2x],[sin^2x,cos...

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  11. Solve the following : [[x,1,3],[1,x,1],[3,6,3]]=0

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  12. If f(x) = a In x + bx^2 + x has extreme values at x= - 1 and x = 2 the...

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  13. If cos y = x cos(a+y) then prove that dy/dx = (cos^2(a+y))/sin a

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  14. If ysqrt(x^2 +1) = log{sqrt(x^2 +1)- x} then prove that (x^2 +1) dy/dx...

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  15. Find the equation of normal to the curve x^3 =4y which passes through ...

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  16. If y=x^2cos^(-1)(frac[sqrtx-1][sqrtx+1])+x^2cosec^(-1)(frac[sqrtx+1][...

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  17. Integrate int(frac[x-1][2x+1])dx

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  18. int0^2[x^2]dx

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  19. int0^(pi/2)e^x cosxdx

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  20. Solve(x log x )dy/dx+y=2 log x.

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