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

35%

Use the substitution $2\cos x$ to find $∫0π2sin⁡x1+2cos⁡xdx\displaystyle \int_0^{\frac{\pi}{2}} \frac{\sin x}{1 + 2\cos x} dx$

[7]

35%

Use the substitution $2\cos x$ to find $∫0π2sin⁡x1+2cos⁡xdx\displaystyle \int_0^{\frac{\pi}{2}} \frac{\sin x}{1 + 2\cos x} dx$

[7]

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