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Evaluate lim(x to (pi)/(4)) ("sin" x - ...

Evaluate `lim_(x to (pi)/(4)) ("sin" x - cos x)/(x - (pi)/(4))`

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The correct Answer is:
`sqrt(2)`
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AAKASH INSTITUTE-LIMITS AND DERIVATIVES -Try yourself
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  2. Evaluate lim(x to 0) (x^(3) cot x)/(1 - cos x)

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  3. Evaluate lim(x to (pi)/(4)) ("sin" x - cos x)/(x - (pi)/(4))

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  4. Evaluate lim(x to (pi)/(4)) (cos x - "sin" x)/(cos 2x)

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  5. Find the derivative of f(x) = x^(3) + 1 at x = - 1

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  11. Find the derivative of e^(7 x - 2) using first principle of derivative

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  12. Find the derivative of e^(x^(2)-5x) using first principle of derivativ...

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  13. Find the derivative of sin(4x - 1) using first principle of derivative

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  14. Find the derivative of cos (x^(2) + 3) using first principle of deriva...

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  15. Find the derivative of tan(sqrtx) w.r.t. x., using first principle

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  16. Find the derivative of cot (3x + 5) using first principle of derivativ...

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  17. Findt the derivative of f(x) = x^(3) + (1)/(sqrt(x)) + 5

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  19. Find the derivative of f(x)= xsin x from the first principle.

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  20. Find the derivative of f(x) = (x + 1) (cos x)

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