evaluate the following integral iint_r cos leftfracy xyxright d a wher
Question
Evaluate the following integral. \iint_{R} \cos \left(\frac{y-x}{y+x}\right) d A where R is the trapezoidal region with vertices (0, 1), (2, 0), (0, 2) and (1,0).change of variahles : Ur or
