**Find the symmetry of y= -3cos(2x+3)**

**Answer:**

It has axes of symmetry on the x axis, on the y axis, and every line that x=k(Pi)/2 where k is an integer

**Find the symmetry of y= -3cos(2x+3)**

**Answer:**

It has axes of symmetry on the x axis, on the y axis, and every line that x=k(Pi)/2 where k is an integer