Question

find the distance between (a cos theta 2 - a cos theta 1) +( a sin theta 2 - a sin theta 1)​

Answer 1

Step-by-step explanation:

distance=½(x2-x1)²+½(y2-y1)²

so,½(acostheta2-acostheta1)²+½(asintheta2-asintheta1)²