Express the Function in the Form Of $f \circ g$ $$v ( t ) = \sec \left( t ^ { 4 } \right) \tan \left( t ^ { 4 } \right)$$

Short Answer

Express the function in the form of $f \circ g$ .
$$v ( t ) = \sec \left( t ^ { 4 } \right) \tan \left( t ^ { 4 } \right)$$