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Evaluate the definite integrals int(0)...

Evaluate the definite integrals
`int_(0)^(pi/2)cos^(2)xdx`

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The correct Answer is:
`(pi)/(4)`
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KUMAR PRAKASHAN-INTEGRALS -EXERCISE 7.9
  1. Evaluate the definite integral in exercise overset(3)underset(2)(1)/...

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  2. Evaluate the definite integrals int(0)^(pi/4)sin2xdx

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  3. Evaluate the definite integrals int(0)^(pi/2)cos2xdx

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  4. Evaluate the definite integral in exercise overset(5) underset(4) i...

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  5. Evaluate the definite integral in exercise overset((pi)/(4)) underse...

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  6. Evaluate the definite integral in exercise overset((pi)/(4)) underse...

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  7. Evaluate the definite integral in exercise overset(1)underset(0) int...

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  8. Evaluate the definite integral in exercise overset(1)underst(0) int ...

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  9. Evaluate the definite integrals int(2)^(3)(dx)/(x^(2)-1)

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  10. Evaluate the definite integrals int(0)^(pi/2)cos^(2)xdx

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  11. Evaluate the definite integral in exercise overset(3)underset(2) int...

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  12. Evaluate the definite integral in exercise overset(1)underset(0)int ...

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  13. Evaluate the definite integral in exercise overset(1)underset(0)int ...

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  14. Evaluate the definite integrals int(1)^(2)(5x^(2))/(x^(2)+4x+3)

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  15. Evaluate the definite integral in exercise overset((pi)/(4)) underse...

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  16. Evaluate the definite integral in exercise overset(pi)underset(0)int...

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  17. Evaluate the definite integral in exercise overset(2)underset(0) int...

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  18. Evaluate the definite integral in exercise overset(1)underset(0)int(...

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  19. overset(sqrt(3))underset(1)int (dx)/(1+x^(2))=.....

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  20. overset((2)/(3))underset(0)int (dx)/(4+9x^(2))=....

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