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Show that "sin"^(-1)12/13+"cos"^(-1)4/5+...

Show that `"sin"^(-1)12/13+"cos"^(-1)4/5+"tan"^(-1)63/16=pi`

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SUNSTAR PUBLICATION-P.U .BOARD LATEST MODEL QUESTION PAPER - 2 -PART-C
  1. If f : B to N , g : N to N and h : N to R defined as f(x) = 2x , g(y)...

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  2. Show that "sin"^(-1)12/13+"cos"^(-1)4/5+"tan"^(-1)63/16=pi

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  3. If A=[(cosx,sinx),(-sinx,cosx)], show that A^(2)=[(cos2x,sin2x),(-sin2...

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  4. Find dy/dx if x^(3)+x^(2)y+xy^(2)+y^(3)=81

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  5. Differentiate (x cos x)^(x)+(x sin x)^(1//x) with respect to x.

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  6. Find the absolute maximum value and the absolute minimum value of the ...

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  7. Find int(xe^(x))/((1+x)^(2))dx

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  8. Evaluate: int2/((1-x)(1+x^(2)))dx

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  9. Find the area bounded by the the curve y=cos x between x=0 and x=2pi.

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  10. Find the general solution of dy/dx+y=1(y!=1)

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  11. Find the value of p so that the lines (1-x)/3=(7y-14)/(2p)=(z-3)/2 and...

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  12. Find the area of the rectangle having vertices A,B,C and D with positi...

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  13. Show that four points A,B,C and D with position vectors4i+5j+k,-(j+k),...

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  14. In answering a question on a multiple choice test a student either kno...

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  15. If f:ArarrA defined by f(x)=(4x+3)/(6x-4) where A=R-{2/3}, show that f...

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  16. If A=((1,1,-1),(2,0,3),(3,-1,2)),B=[(1,3),(0,2),(-1,4)] and C=[(1,2,3,...

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  17. Solve by matrix method: 4x+3y+2z=60, x+2y+3z=45, 6x+2y+3z=70

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  18. If y=3 cos(log x)+4sin(logx) show that x^(2)y(2)+xy(1)+y=0

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  19. A ladder 5cm long is leaning against a wall. The bottom of the ladder ...

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  20. Find the integral of sqrt(x^(2)-a^(2) with respect to x.

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