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Find the derivative of the function `cos x,w.r.t.x from first principle.

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OSWAAL PUBLICATION-SOLVED PAPER 2019-2-EXERCISE
  1. Insert 3 arithmetic means between 8 & 24 .

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  2. Find the equation of parabola with vertex at the origin ,axis along x...

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  3. Find the derivative of the function cos x,w.r.t.x from first principle...

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

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  5. One card is drawn from a well shuffled deck of 52 cards.If each outcom...

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  6. One card is drawn from a well shufflied deck of 52 cards.If each out c...

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  7. One card is drawn from a well shuffled deck of 52 cards.If each outcom...

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  8. A fair coin 1 marked on one face & 6 on the other face & a fair die ar...

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  9. A fair coin 1 marked on one face & 6 on the other face & a fair die ar...

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  10. Define a signum function. Write range, also draw the graph of the func...

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  11. (cos 4x+cos3x+cos2x)/(sin 4x+sin3x+sin2x)=cot3x

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  12. For all n ge 1 prove that 1^(2)+2^(2)+ 3^(2)+4^(2)+….+n^(2)= (n(n+1)...

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  13. Solve the following system of inequations in 2 variables graphically: ...

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  14. A group consists of 4 girls and 7 boys. In how ways can a team of 5 m...

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  15. State and prove Binomial theorem for a positive integer index.

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  16. Find the coordinates of the foot of the perpendicular from the point (...

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  17. Derive the formula to find the co-ordinates of a point which divide th...

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  18. Prove thatunderset(thetararr0)lim(Sintheta)/theta =1 , (theta being in...

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  19. Find the mean deviation about the mean for the following data.

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  20. (a)Derive geometrically that cos(x+y)=cos x cos y-sin x sin y.Hence de...

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