2*pi / | | ______________ | \/ 2 - 2*cos(t) dt | / 0
Integral(sqrt(2 - 2*cos(t)), (t, 0, 2*pi))
Rewrite the integrand:
The integral of a constant times a function is the constant times the integral of the function:
Don't know the steps in finding this integral.
But the integral is
So, the result is:
Add the constant of integration:
The answer is:
/ / | | | ______________ ___ | ____________ | \/ 2 - 2*cos(t) dt = C + \/ 2 * | \/ 1 - cos(t) dt | | / /
2*pi
/
|
___ | ____________
\/ 2 * | \/ 1 - cos(t) dt
|
/
0
=
2*pi
/
|
___ | ____________
\/ 2 * | \/ 1 - cos(t) dt
|
/
0
Use the examples entering the upper and lower limits of integration.