Trigonometric integrals and integration by substitution


Assignment:

Trigonometric intergrals

Evaluate the integral

1) ∫ (sin^3 (x)) (cos^2 (x)) dx

2) ∫ ( sin^4 (x)) (cos^5 (x)) dx

3) ∫ ( sin^6 (x)) (cos^3 (x)) dx

4) ∫ ( sin^3 (mx))  dx

5) ∫ (from 0 to pi/2 on top) (cos^2 (theta)) dtheta

6) ∫ (from 0 to pi/2 on top) (sin^2 (2theta)) dtheta

7) ∫ (from 0 to pi on top) (sin^4 (3t)) dt

8) ∫ (from 0 to pi on top) (cos^6 (theta)) dtheta

9) ∫ ( 1 + cos theta)^2 dtheta

10) ∫ (x) (cos^2 (x)) dx

11)  ∫ ( sin^3 (x)) (SQRT(cos (x)) dx

12)  ∫ (cos (theta) (cos^5(sin(theta))) dtheta

13)  ∫ (cos^2 (x)) (tan^3 (x)) dx

14)  ∫ ( cot^5 (theta)) (sin^4 (theta)) dtheta

15)  ∫ [( 1 - sinx) / (cosx) ]dx

16)  ∫ ( sin 2x) (cos^2 (x)) dx

17)  ∫ ( sec^2 (x)) (tan (x)) dx

18)  ∫ ( tan^2(x) dx

19)  ∫ ( sec^6(t)) dt

20)  ∫ (from 0 to pi/4 on top)  (sin^4 (theta)) (tans^4 (theta)) dtheta

21)  ∫ (from 0 to pi/3 on top) (tan^5 (x)) (sec^4 (x)) dx

22)  ∫ ( tan^3 (2x)) (sec^5 (2x)) dx

23)  ∫ ( tan^3 (x)) (sec (x)) dx

24)  ∫ (from 0 to pi/3 on top) (tan^5 (x)) (sec^6 (x)) dx

25)  ∫ ( tan^5 (x)) dx

26)  ∫ ( tan^3 (theta)) /  (cos^4 (theta)) dtheta

27)  ∫ ( tan^2 (x)) (sec (x)) dx

28)  ∫ ( cot^3 (alpha)) (csc^3 (alpha)) dalpha

29)  ∫ ( csc^4 (x)) (cot^6 (x)) dx

30)  ∫ ( csc (x)) dx

31)  ∫ ( sin (5x)) (sin (2x)) dx

32)  ∫ [( dx) / ((cos (x)) - 1)] dx

33)  ∫ [( 1 - tan^2 (x)) /  (sec^2 (x))] dx

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Mathematics: Trigonometric integrals and integration by substitution
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