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What is the maximum value of the function `sinx + cosx`?

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PRADEEP PUBLICATION-APPLICATIONS OF DERIVATIVES-EXERCISE
  1. At what points in the interval [0,2pi], does the function sin 2x attai...

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  2. At what point, the slope of the crve : y=-x^3 + 3x^2 +9x-27 is maximum...

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  3. What is the maximum value of the function sinx + cosx?

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  4. Prove that f(x) = sin x + sqrt3 cos x has maximum value at x = pi//6

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  5. Find the points of local maxima and minima (if any) of each of the fol...

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  6. Find the points of local maxima and minima (if any) of each of the fol...

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  7. Find the points of local maxima and minima (if any) of each of the fol...

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  8. Find the points of local maxima and minima (if any) of each of the fol...

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  9. Find the points of local maxima and minima (if any) of each of the fol...

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  10. Find the points of local maxima and minima (if any) of each of the fol...

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  11. Find the points of local maxima and minima (if any) of each of the fol...

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  12. Find the points of local maxima and minima (if any) of each of the fol...

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  13. Find the points of local maxima and minima (if any) of each of the fol...

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  14. Find the maximum and minimum values. f(x) = sin^4 x + cos^4x, 0 le x...

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  15. Find the points of local maxima and local minima, if any, of the follo...

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  16. Find the points of local maxima and minima (if any) of each of the fol...

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  17. Find the points of local maxima and local minima, if any, of the follo...

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  18. Show that a local minimum value of f(x) = x + 1/x , x ne 0 is greater ...

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  19. Find the local maxima and local minima, if any, of the following funct...

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  20. Find the difference between the greatest and least values of the funct...

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