Solution:
For the curve , the gradient is
For the curve , the gradient is
Observing the above two gradients, the product of slopes is -1
hence, the angle between the curves is
The two curves and
intersect at an angle of whose degree measure is
For the curve , the gradient is
For the curve , the gradient is
Observing the above two gradients, the product of slopes is -1
hence, the angle between the curves is