Provide an Appropriate Response $\sec ^ { 2 } x - \sec ^ { 2 } x \sin ^ { 2 } x$

Short Answer

Provide an appropriate response.
-Graph the expression $\sec ^ { 2 } x - \sec ^ { 2 } x \sin ^ { 2 } x$ on your calculator. Determine what constant or single circular function is equivalent to the given expression.