<p>Evaluate integral of F dot dr along C where C is the curve defined by r(t)=<t,sint,cost> t ranges from 0 to pie.
How are you suppose to do this with out F(x,y) ?
Cant use Green’s theorem because there’s no F(x,y), or can you?</t,sint,cost></p>
<p>anyone knows how to do it?</p>