In the figure below, segment
AC
slices triangle
ABD
into two smaller triangles, which is not drawn to scale. Angle
ABC
is a right angle, and segment
AB
has length 24 , segment
BC
has length 7 , and segment
CD
has length 20 . Use inverse trignonometric functions to express
\theta ()/(_(D))=AC
in radians. Note: Give an exact radian answer. Decimal approximations will be marked incorrect. Symbolic trigonometric expressions such as
arctan(5)
are accepted.