- 7
- 0
I've almost gotten through this one integral problem, but i've seem to have gotten stuck:
integral ((sqrt(4-x^2))/x) dx
i let x = 2sin(theta), and dx = 2cos(theta)d(theta)
sqrt(4-x^2) = 2cos(theta)
integral ((2cos(theta))/(2sin(theta)) * 2cosd(theta)
2 integral cos^2(theta)d(theta)/sin(theta)
That's as far as I got, any suggestions?
integral ((sqrt(4-x^2))/x) dx
i let x = 2sin(theta), and dx = 2cos(theta)d(theta)
sqrt(4-x^2) = 2cos(theta)
integral ((2cos(theta))/(2sin(theta)) * 2cosd(theta)
2 integral cos^2(theta)d(theta)/sin(theta)
That's as far as I got, any suggestions?