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Differentiate of cos x w.r.t. x from fir...

Differentiate of `cos x` w.r.t. x from first principles

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The correct Answer is:
`-sinx`
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SUBHASH PUBLICATION-PU EDU.DEPT.MODEL QUESTION PAPER (WITH ANSWERS)-PART - C ( III. Answer any EIGHT of following questions)
  1. A committee of two persons is selected from two men and two women.How ...

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  2. A committee of two persons is selected from two men and two women.How ...

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  3. Differentiate of cos x w.r.t. x from first principles

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  4. A parabola with vertex at origin has its focus at the center of x^(2)+...

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  5. In an A.P if m^(th) term is n and n^(th) term is m, where mnen, find t...

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  6. Verify by the method of contradiction that sqrt(2) is irrational .

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  7. Two students Anil and Sunil appear in an examination. The probability ...

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  8. Out of a group of 200 students (who know at least one language), 100 s...

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  9. Let R:ZrarrZ be a relation defined by R = {(a,b):a,b,inZ, a -b in z) ....

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  10. Prove that (cosx+cosy)^(2)+(sinx-siny)^(2)=4cos^(2)((x+y)/(2))

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  11. Solve sqrt(2) x^(2)+x+sqrt(2)=0

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  12. How many words, with or without meaning can be made from the letters o...

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  13. If x+iy=(2+i)/(2-i) then prove taht x^(2)+y^(2)=1

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  14. Find the term independent of x in the expansion of (3/2x^(2)-1/(3x)).

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  15. 8,A(1),A(2),A(3),24.

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  16. In how many ways can 5 prizes be distributed to 8 students if each stu...

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  17. In how many ways can 5 prizes be distributed to 8 students if each stu...

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  18. Differentiate of cos x w.r.t. x from first principles

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  19. A parabola with vertex at origin has its focus at the centre of x^(2)+...

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  20. In an A.P if m^(th) term is n and n^(th) term is m, where mnen, find t...

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