Write the expression as the sine cosine or tangent of an angle Then find the exact value of the expression tan tan 1 tan tan 3 5 3 1 tan 5 3 Write the expression as the sine cosine or tangent of a single angle 3 5 3 1 tan tan 5 5 5 tan tan 4 15 Type an exact answer using as needed Use integers or fractions for any numbers in the expression Find the exact value of the expression tan tan 4 15 3r 4 15 4 15 4x 15 tan 4 15 point s possible