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Evalute the following integrals int co...

Evalute the following integrals
`int `cos x cos 2x dx

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The correct Answer is:
`(1)/(6)(sin 3x + 3 sin x ) + c`
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AAKASH SERIES-INDEFINITE INTEGRALS -EXERCISE - 1.2(SHORT ANSWER QUESTIONS )
  1. int (1)/(sin(x-a)sin (x-b))dx=

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  2. Evalute the following integrals int (1)/(cos (x -a ) cos (x - b)) d...

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  3. Evalute the following integrals int (sin x)/(sin (a + x)) dx

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  4. int (cot x)/(log (sin x))dx=

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  5. Evalute the following integrals int ((x^(3) -x)^(1//3))/(x^(4)) dx

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  6. Evalute the following integrals int "cosec"^(2) x sin 2 x dx

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  7. Evalute the following integrals int (dx)/(cos^(2) x + sin 2 x )

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  8. Evalute the following integrals int (x^(2) + 1)/(x^(4) + 1) dx

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  9. Evaluate the integerals. int (dx)/(a ^(2) sin ^(2) x+b^(2) cos ^(2...

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  10. Evaluate the integerals. int x sqrt(4x+3) dx on (-(3)/(4), oo).

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  11. Evalute the following integrals int cos x cos 2x dx

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  12. Evalute the following integrals int cos x cos 3 x dx

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  13. int cos x cos 2x cos 3x dx=

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  14. Evaluate the integerals. f sin x sin 2x. Sin 3x dx on R.

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  15. Evaluate the integerals. int sin ^(3) x dx on R.

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  16. Evalute the following integrals int cos^(3) x dx

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  17. Evalute the following integrals int sin^(3) 2x dx

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  18. Evaluate the integerals. f sin mx cos nx dx on R, m ne n, m and n ...

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  19. Evaluate the integerals. f sin mx sin nx dx on R, m ne n, m and n ...

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  20. Evaluate the integerals. f cos mx cos nx dx on R, m ne n, m and n ...

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