Use a Graphing Calculator to Make a Conjecture as to Whether

Multiple Choice

Use a graphing calculator to make a conjecture as to whether each equation is an identity.
- $$\frac { \cos ^ { 2 } x } { \sin ^ { 2 } x } + \cos x \sec x$$

A) $\csc x$
B) $\csc ^ { 2 } x$
C) $\sec ^ { 2 } x$
D) $\cot ^ { 2 } x$