Question

The polar coordinates of a point are given. find the rectangular coordinates of this point.(5, 3pi/4

Answer 1

x would be r*cos theta and y would be r*sin theta.

Here, x is 5cos 135 deg = 5(-1/sqrt(3))
and y is 5* sin 135 deg = 5*(1/sqrt(3))


Write this point in the form (x,y), using the above values for x and y.