Find the coordinates of a point on the unit circle where the angle is given by $ heta = frac{3}{4} pi $

The unit circle

The coordinates of the point for $ heta = frac{3}{4} pi $ are found using:

$ x = cosleft(frac{3}{4} pi
ight) = -frac{sqrt{2}}{2} ext{ and } y = sinleft(frac{3}{4} pi
ight) = frac{sqrt{2}}{2} $

Thus, the coordinates are:

$ left(-frac{sqrt{2}}{2}, frac{sqrt{2}}{2}
ight) $

For $ heta = frac{3}{4} pi $, the coordinates are:

$ left(-frac{sqrt{2}}{2}, frac{sqrt{2}}{2}
ight) $

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