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1.9.28 Integration by substitution (other cases) (A-level only)

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Question 25

Use the substitution u=1+cos⁡xu = 1 + \cos xu=1+cosx to find ∫0π2sin⁡x1+cos⁡xdx\displaystyle \int_0^{\frac{\pi}{2}} \frac{\sin x}{1 + \cos x} dx∫02π​​1+cosxsinx​dx

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1.9.28 Integration by substitution (other cases) (A-level only) Questions

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